Advertising Disclosure
Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service levels, popularity trends, and more. The rankings reflect our opinion and should be a good starting point for shopping. By purchasing the products we rank, you’ll get the lowest price we found while we may receive a commission at no cost to you, which will help us continue to provide you with value.
Best Choice Drill America # 7 1-5/16" 1-21/32" Straight Shank Shell Reamer Arbor, DWRSRA7SS ISO 2402:1972, Shell reamers with taper bore (taper bore 1 : 30 (included)) with slot drive and arbors for shell reamers Best Value Drill America # 5 13/16" 1-1/32" Straight Shank Shell Reamer Arbor, DWRSRA5SS Drill America #9-4MT 2-1/16" 2-1/2" Taper Shank Shell Reamer Arbor, DWRSRA9TS Drill America #8-4MT 1-11/16" 2" Taper Shank Shell Reamer Arbor, DWRSRA8TS VELATEMOR Tapered Reamer, 6 Flute T Handle, Chamfering Deburring, Incisive Cutting, 3-13mm, 5-16mm, for Musical Instrument, Woodwo 6 Flute: Our tapered reamer is 6 flute with tapered holes, chamfering deburring and other features for easy and convenieYosoo Drill Chuck Arbor Boring Tool Shank Connecting for R8 Milling Adapter Clamp Lathe Thread Drill Shell Reamer Arbors Easy To Install: Light in weight and compact in size as well, the lathe drill chuck is very to install within several miLINSYRC LinsyRC RC Car Body Shell Hole Reamer Opener Tool 0-14mm Puncher Drill Tool Kit for RC Car Truck Slip-resistant designed reamer handle and optimal shaped drill for comfortable grip and easy operation.Yakamoz Yakamoz 2Pieces T-Handle Tapered Reamer Set, 1/4" Hex Shank Detachable Taper Bridge Pin Hole Handheld Reamer Drilling Gu 1. High material: Made of high quality carbon steel with precision cutting edges.Hobbypark Hobbypark Steel Metal 0-14mm Hole Puncher Reamer Shell Drills Tools Sharp for RC Car Body Blue 0-14mmEiEiFiFi Professional and Expanding Reaming Knife Drill Tool Expanding Hole Opener Reamer Universal Metal RC Car Body Shell Hole Package Includes: You will receive a professional and expanding reaming knife drill tool. Size: 180*20mm/7.08*0.78inch.Meichoon Meichoon Handheld Reamer Set Tapered Tools Wood Cut Pipe Tubing Inside Deburring Edge Tool 1/8-1/2(3-13mm) Inch & 5-16mm Durable:Made of high quality 45# steel material, serves for a long timeKBCTFWP KBCTFWP HSS Adjustable Manual Reamer 6-84mm, Used for Manual reaming and Precision Cutting Tool Hand Tools(12.75-13.75mm Materials: High Speed SteelFxvhojq Bridge Construction Reamer,Aligning Reamer,Spiral Flute Reamer,Enlarge Hole Reamer,High Speed Steel Bridge Construction [Note] Always wear proper safety gear. Securely mount the reamer drill bit in the chuck of a portable electric or pneumaARSUGMZ ARSUGMZ Countersink Drill Bit Set for Wood Counter Sink Wood Pilot Screw Hole Cutter Counterbore Reamer Tapered Chamfer To removing chips, with big space and small resistance; Smooth chip removal, less heating value,ZJSCNBE ZJSCNBE Countersink Drill Bit Set for Wood Counter Sink Wood Pilot Screw Hole Cutter Counterbore Reamer Tapered Chamfer To removing chips, with big space and small resistance; Smooth chip removal, less heating value,ARSUGMZ ARSUGMZ 4.1/4.2/4.3/4.4/4.5/4.6/4.7/4.8/4.9/5.0mm Cobalt Stainless Steel Straight Shank Twist Drill Metal Iron Aluminum To removing chips, with big space and small resistance; Smooth chip removal, less heating value,ARSUGMZ ARSUGMZ Tungsten Carbide Milling Cutter 3mm Shank Burr Cut Rotary Metal Wood Stainless Steel Electric Grinding Engraving To removing chips, with big space and small resistance; Smooth chip removal, less heating value,ARSUGMZ ARSUGMZ 0.5-2.1/2.2/2.3/2.4/2.5/2.6/2.7/2.8/2.9-13.0mm Cobalt Stainless Steel Straight Shank Twist Drill Metal Iron Alum To removing chips, with big space and small resistance; Smooth chip removal, less heating value,ARSUGMZ ARSUGMZ 4Pcs Conical Countersink Drill Woodworking Countersunk Chamfering Set Conical Twist Drill Opening Chamfering Dri To removing chips, with big space and small resistance; Smooth chip removal, less heating value,ARSUGMZ ARSUGMZ 5Pcs Hexagonal Handle Three Point Woodworking Drill Metal Drill Kit Countersink for Wood and Metal Drilling 4/5/ To removing chips, with big space and small resistance; Smooth chip removal, less heating value,ARSUGMZ ARSUGMZ Straight and Tapered Wood Plug Hole Cutter Plug Cutting Drill Take Steel Knife Log Cork Woodworking Drilling Too To removing chips, with big space and small resistance; Smooth chip removal, less heating value,ARSUGMZ ARSUGMZ 12/14/16/18mm Steel Tipped Drill Bit Metal Wood Coated Hole Saw Cutter Tool(18mm) To removing chips, with big space and small resistance; Smooth chip removal, less heating value,ARSUGMZ ARSUGMZ 1Pc Counter Sink Drill Bit Deburring Chamfering Cutter Practical Deburring Center Drill Bits Boring Drill Bit Pu To removing chips, with big space and small resistance; Smooth chip removal, less heating value,ARSUGMZ ARSUGMZ 1Pc 5-16mm bit Cross Cutter Head Double Auger Hammer 160mm Wall Brick Block Electric Hammer Masonry Bit(6mm) To removing chips, with big space and small resistance; Smooth chip removal, less heating value,ARSUGMZ ARSUGMZ 1pcs High Speed Steel Twist Drill Wood Metal Drill Bit Set Masonary Drill Power Tool Accessories Metal Woodworki To removing chips, with big space and small resistance; Smooth chip removal, less heating value,ARSUGMZ ARSUGMZ Chamfering End Mill Tool Countersink Drill Bit Set Metal Wood 3 Flute 90 Degree High Speed Steel Titanium-Coated To removing chips, with big space and small resistance; Smooth chip removal, less heating value,ARSUGMZ ARSUGMZ Carbide Alloy Drill Tungsten Steel Twist Drill Bit Wood Metal Hole Cutter for Lathe Machine Hard Drilling Tools To removing chips, with big space and small resistance; Smooth chip removal, less heating value,ARSUGMZ ARSUGMZ 5PCs Wood Carving Engraving Drill Accessories Bit Fitment for Rotary Tools 3mm Shank Woodworking Chisel Insert C To removing chips, with big space and small resistance; Smooth chip removal, less heating value,ARSUGMZ ARSUGMZ 3-13mm M35 Cobalt Straight Step Drill Bit Hole Cutter, M35 Cobalt Straight Step Drill Bit Hole Cutter Tool Acces To removing chips, with big space and small resistance; Smooth chip removal, less heating value,ARSUGMZ ARSUGMZ 3-12mm 4-12mm 4-20mm Straight Groove Step Drill Bit Titanium Coated Wood Metal Hole Cutter Core Drilling Tools S To removing chips, with big space and small resistance; Smooth chip removal, less heating value,ARSUGMZ ARSUGMZ 4-12/4-20/4-32mm Triangular Handle Straight Groove Ladder Drill 3/6/8 Saw Drill 6pcs Hole Punching Worker Assemb To removing chips, with big space and small resistance; Smooth chip removal, less heating value,ARSUGMZ ARSUGMZ 95mm Tilt Head Eccentric Drill 6.35mm Hex Shank Tungsten Steel Alloy Ceramic Stone Concrete Slate Marble Drill B To removing chips, with big space and small resistance; Smooth chip removal, less heating value,ARSUGMZ ARSUGMZ Titanium Coating Twist Step Drill Bits for Manual Pocket Hole Jig Master System 8-4/9-5/10-5/10-6/12-8mm Woodwor To removing chips, with big space and small resistance; Smooth chip removal, less heating value,ARSUGMZ ARSUGMZ Countersink Drill Bit 90 Degrees Chamfering Cutter 4.5-50mm 3 Flute High Speed Steel Metal Hole Drilling Tool(10 To removing chips, with big space and small resistance; Smooth chip removal, less heating value,ARSUGMZ ARSUGMZ 2mm/3mm/4mm/5mm Length 200mm Extra Long Straight Shank Drill Bit Wood Aluminum and Plastic Extended Twist Drill( To removing chips, with big space and small resistance; Smooth chip removal, less heating value,ARSUGMZ ARSUGMZ 10Pcs 3.2mm 3.5mm 4.2mm 5.0mm 5.2mm Double Ended Spiral Torsion Drill Tools Drills Set(5mm) To removing chips, with big space and small resistance; Smooth chip removal, less heating value,ARSUGMZ ARSUGMZ Titanium Coating Twist Step Drill Bits for Manual Pocket Hole Jig Master System 8-4/9-5/10-5/10-6/12-8mm Woodwor To removing chips, with big space and small resistance; Smooth chip removal, less heating value,ARSUGMZ ARSUGMZ 8-35mm Woodworking Twist Drill Bit Set 165mm Four-Slot Four-Blade Woodworking Tools Hole Opene for Door Lock Woo To removing chips, with big space and small resistance; Smooth chip removal, less heating value,ARSUGMZ ARSUGMZ 3PC Cobalt Containing Spot Weld Drill 6.5-10mm Straight Shank Drill Bit Removing Automotive Sheet Metal Welding To removing chips, with big space and small resistance; Smooth chip removal, less heating value,ARSUGMZ ARSUGMZ 3/15Pcs Black Twist Drill 3 4 5mm Wood Metal High Speed Steel Nitriding Drill Set 1/4" 6.35mm Hexagonal Handle(3 To removing chips, with big space and small resistance; Smooth chip removal, less heating value,ARSUGMZ ARSUGMZ 6pcs Serrated Drill Bit Set Titanium Metal Twist Drills Cutting Drilling Slotting Tools Woodworking Saw Drill Bi To removing chips, with big space and small resistance; Smooth chip removal, less heating value,ARSUGMZ ARSUGMZ 4-22 Step Drill Bit Straight Groove Titanium Coated Wood Metal Hole Cutter 4241 High Speed Steel Core Drill Bit( To removing chips, with big space and small resistance; Smooth chip removal, less heating value,ZJSCNBE ZJSCNBE 3-12mm 4-12mm 4-20mm Straight Groove Step Drill Bit Titanium Coated Wood Metal Hole Cutter Core Drilling Tools S To removing chips, with big space and small resistance; Smooth chip removal, less heating value,ARSUGMZ ARSUGMZ Multifunction 10 Pcs Tiny Micro 0.5/0.7/0.8/1.0/1.3mm Straight Shank Twist Electric Hand Jewelry Making Tools Dr To removing chips, with big space and small resistance; Smooth chip removal, less heating value,ARSUGMZ ARSUGMZ 6pcs 3-8mm Titanium Coated Drill Bit Electric Drill Plastic Metal Hole Grooving Drill Saw Carpenter Woodworking To removing chips, with big space and small resistance; Smooth chip removal, less heating value,ARSUGMZ ARSUGMZ Left Hand Drill Bit 3.2/4.8/6.4/8.0/8.7mm Extractor Tools Gold Screw Bolt Remover Convenient 3.2/4.8/6.4/8.08.7m To removing chips, with big space and small resistance; Smooth chip removal, less heating value,ZJSCNBE ZJSCNBE 12/14/16/18mm Steel Tipped Drill Bit Metal Wood Coated Hole Saw Cutter Tool(18mm) To removing chips, with big space and small resistance; Smooth chip removal, less heating value,ARSUGMZ ARSUGMZ 1Pc High Speed Steel Titanium Coated Drill Bit Set 1/4 Hex Shank 1.5mm-7.5mm Hexagonal Handle Twist Drill(1.5mm) To removing chips, with big space and small resistance; Smooth chip removal, less heating value,ARSUGMZ ARSUGMZ 1PC 300mm 350mm Twist Drill Bits 6mm-35mm Metal Steel Center Drill for Wood Door Lock Reaming Woodworking Tools( To removing chips, with big space and small resistance; Smooth chip removal, less heating value,ARSUGMZ ARSUGMZ 20/25/32 Lifting Drill Titanium Plated Spiral Version Three Blade Water Pipe Tool Hexagonal Shank Drill Bit(2pc- To removing chips, with big space and small resistance; Smooth chip removal, less heating value,ARSUGMZ ARSUGMZ 3Pcs 3-12mm 4-12mm 4-20mm Straight Groove Step Drill Bit Titanium Coated Wood Metal Hole Cutter Core Cone Drilli To removing chips, with big space and small resistance; Smooth chip removal, less heating value,ARSUGMZ ARSUGMZ 200mm Extra Long Twist Drill Bits High Speed Steel Drill Bits Hole Saw Cutter for Wood Steel Metal Alloy Drillin To removing chips, with big space and small resistance; Smooth chip removal, less heating value,ARSUGMZ ARSUGMZ M35 Cobalt Coated Step Drill Bit 1/4 Inch Hex Shank High Speed Steel Metal Drilling Hole Opener for Stainless St To removing chips, with big space and small resistance; Smooth chip removal, less heating value,ARSUGMZ ARSUGMZ 8Pcs Tri-Point Drill Bits Spiral 3mm Diameter High Carbon Steel for Repair Home Wood Drilling Grinding Power Too To removing chips, with big space and small resistance; Smooth chip removal, less heating value,ARSUGMZ ARSUGMZ Hole Saw Drill Bits Annular Cutter 10-15mm Core Drill Bit 25mm Weldon Shank Hollow Drill Bit Cutter for Metal Dr To removing chips, with big space and small resistance; Smooth chip removal, less heating value,ARSUGMZ ARSUGMZ 8mm-12.5mm M35 Cobalt Twist Drill Bit Power Tool Accessories for Metal Alluminum Stainless Steel Hole Drilling(8 To removing chips, with big space and small resistance; Smooth chip removal, less heating value,ARSUGMZ ARSUGMZ 5 PCS Magnetic Hex Shank Electric Screwdriver Bits Set Anti-Slip 127mm Head Cross Screwdriver Bit Hand Tools(5 P To removing chips, with big space and small resistance; Smooth chip removal, less heating value,ARSUGMZ ARSUGMZ 110mm 5/6/8/10 Mm Plus Masonry Crosshead Twin Spiral Hammer Drill Bits(8mm) To removing chips, with big space and small resistance; Smooth chip removal, less heating value,ARSUGMZ ARSUGMZ Drill Bits 10Pcs/Set 0.5mm 0.8mm 1.5mm 2.0mm Mini Drill Twist Drill Bits Set for Woodworking Plastic and Aluminu To removing chips, with big space and small resistance; Smooth chip removal, less heating value,ARSUGMZ ARSUGMZ M35 Cobalt Step Drill Bit High Speed Steel Cone Hex Shank Metal Drill Bit Tool Hole Cutter for Stainless Steel(4 To removing chips, with big space and small resistance; Smooth chip removal, less heating value,ARSUGMZ ARSUGMZ 1pc 15-55mm Alloy Hole Saw Carbide Tip Metal Cutter Core Drill Bit Kits for Stainless Steel Metal Drilling Crown To removing chips, with big space and small resistance; Smooth chip removal, less heating value,ARSUGMZ ARSUGMZ 0.1-2mm Tungsten Steel Fried Twists Drill Micro Engraving Drill Hole Fixed Drill Print Circuit Board Mini Drilli To removing chips, with big space and small resistance; Smooth chip removal, less heating value,ARSUGMZ ARSUGMZ 1pcs 1.5mm 2mm Titanium Coated Drill Bit 1/4 Hex Shank Twist Drill Bit High Speed Steel for Wood Plastic Drillin To removing chips, with big space and small resistance; Smooth chip removal, less heating value,ARSUGMZ ARSUGMZ Center Drills Bit 60 Degree Metal Drill Bit Power Tools Hole Drilling Hole Cutter 1.0/1.5/2.0/2.5/3.0/3.5/4.0/5. To removing chips, with big space and small resistance; Smooth chip removal, less heating value,ARSUGMZ ARSUGMZ 3 4 5 6 8 10 12mm Cross Hex Tile Drill Bit for Glass Concrete Ceramic Tile Hole Opener Tunsten Carbide Hard Allo To removing chips, with big space and small resistance; Smooth chip removal, less heating value,ARSUGMZ ARSUGMZ Diameter 1.5-5.5mm Length 160-200mm Extra Long High Speed Steel Straight Shank-Twist Drill Bit for Metal Electri To removing chips, with big space and small resistance; Smooth chip removal, less heating value,ZJSCNBE ZJSCNBE 4-22 Step Drill Bit Straight Groove Titanium Coated Wood Metal Hole Cutter 4241 High Speed Steel Core Drill Bit( To removing chips, with big space and small resistance; Smooth chip removal, less heating value,ARSUGMZ ARSUGMZ 8Pcs/Set Wood Drill Bit Set 3MM-10MM Drill Bits Kit for Woodworking Wood Tools Spiral Drill Bit High Carbon Stee To removing chips, with big space and small resistance; Smooth chip removal, less heating value,ARSUGMZ ARSUGMZ 10pcs Titanium Coated Cobalt Drill Bits High Speed Steel Drill Bits Set Hole Cutter Power Tools for Metal Stainl To removing chips, with big space and small resistance; Smooth chip removal, less heating value,ARSUGMZ ARSUGMZ Drill Bit Twist Drill Bit 3/3.2/3.5/4/4.5/4.8/5/5.5/6.5/7.5mm Drill Bit Tools for Wood Plastic Metal Aluminum(4. To removing chips, with big space and small resistance; Smooth chip removal, less heating value,ARSUGMZ ARSUGMZ Cross Hex Drill Bit Set for Concrete Porcelain Tile Glass Metal Professional Multifunction Drill Bits Kit Tools To removing chips, with big space and small resistance; Smooth chip removal, less heating value,ARSUGMZ ARSUGMZ 10Pcs Titanium Coated Cobalt Drill Bits M35 Multi Function Metal Twist Drill Power Tool Part 1 1.5 2 2.5 3 Mm Ho To removing chips, with big space and small resistance; Smooth chip removal, less heating value,ZJSCNBE ZJSCNBE Diameter 1.5-5.5mm Length 160-200mm Extra Long High Speed Steel Straight Shank-Twist Drill Bit for Metal Electri To removing chips, with big space and small resistance; Smooth chip removal, less heating value,ARSUGMZ ARSUGMZ 4/5/6/8/10/14mm Glass Drill Bit Practical Triangle Drills for Tile Drill Bit Cut Tools Power Tool Accessories(5m To removing chips, with big space and small resistance; Smooth chip removal, less heating value,ARSUGMZ ARSUGMZ 2/13PCS Drill Bit Twist Drill Stainless Steel Special High Hardness Punch Steel Hexagonal Handle Turn Head Set A To removing chips, with big space and small resistance; Smooth chip removal, less heating value,ARSUGMZ ARSUGMZ 1PCS 13.5mm-16mm High Speed Steel Titanium Coated Straight Shank Twist Drill Bits for Metal (13.5mm/14mm/14.5mm/ To removing chips, with big space and small resistance; Smooth chip removal, less heating value,ARSUGMZ ARSUGMZ 3/7/13PCS Hex Shank Twist Drill Bit Set Wood Metal Hole Cutter Core Drilling Tool Cobalt Drill Bits 1.5 2 2.5 3 To removing chips, with big space and small resistance; Smooth chip removal, less heating value,ARSUGMZ ARSUGMZ 3pc 3-12mm 4-12mm 4-20mm Straight Groove Step Drill Bit Set Titanium Coated Wood Metal Hole Cutter Core Drill Bi To removing chips, with big space and small resistance; Smooth chip removal, less heating value,ARSUGMZ ARSUGMZ Drill Bit for Drilling in Hard Metal Stainless Steel 3.5mm, 4mm, 4.5mm, 5mm, 5.5mm, 6mm, 6.5mm, 7mm, 7.5mm, 8mm, To removing chips, with big space and small resistance; Smooth chip removal, less heating value,ARSUGMZ ARSUGMZ M3-M10 Screw Tap Drill Bits Taps Countersink Deburr Set Metric Combination Bit High Speed Steel Tap Compound Dri To removing chips, with big space and small resistance; Smooth chip removal, less heating value,ARSUGMZ ARSUGMZ 5pcs Drill Bit Auger1-4mm Cobalt 135 Degree Split Point Tip for Stainless Steel Metal Wood Hole Cutter Power Too To removing chips, with big space and small resistance; Smooth chip removal, less heating value,ARSUGMZ ARSUGMZ Cross Hexagon Tile Glass Cement Metal Ceramic Wood Plastic Hole Saw Triangle Alloy Drill Bit Size 3mm 4mm 5mm 6m To removing chips, with big space and small resistance; Smooth chip removal, less heating value,ZJSCNBE ZJSCNBE 3-12mm Cross Hex Tile Drill Bits Set for Glass Ceramic Concrete Hole Opener Brick Hard Alloy Triangle Bit Tool K To removing chips, with big space and small resistance; Smooth chip removal, less heating value,ARSUGMZ ARSUGMZ 10Pcs Magnetic Allen Wrench Drill Bit Set Impact Hex Head Screwdriver Bit Set 1/4 Inch Hex Shank Hex Bit To removing chips, with big space and small resistance; Smooth chip removal, less heating value,ARSUGMZ ARSUGMZ 1Pc 15-100mm Hole Saw Carbide Tip Core Drill Bit Cutter Drilling Crown for Metal Stainless Steel Alloy(30mm) To removing chips, with big space and small resistance; Smooth chip removal, less heating value,ARSUGMZ ARSUGMZ Carbide Drill Bits with Tungsten Steel Straight Shank Drill Bits are Used for Steel Iron Aluminum Alloy Ceramic To removing chips, with big space and small resistance; Smooth chip removal, less heating value,ZJSCNBE ZJSCNBE 3-13mm M35 Cobalt Straight Step Drill Bit Hole Cutter, M35 Cobalt Straight Step Drill Bit Hole Cutter Tool Acces To removing chips, with big space and small resistance; Smooth chip removal, less heating value,ARSUGMZ ARSUGMZ Spot Weld Drill Bit/Remover/Cutter Cobalt Tip Set 6mm/8mm Drill Cobalt-Containing Spot Welding Drills(1pcs 8mm) To removing chips, with big space and small resistance; Smooth chip removal, less heating value,ARSUGMZ ARSUGMZ 10pcs Electric Hammer Plus Drill Bit Set 160mm for Concrete Wall Brick Block Masonry Hole Saw Drilling Bits 4mm To removing chips, with big space and small resistance; Smooth chip removal, less heating value,ARSUGMZ ARSUGMZ 5-16mm Hexagonal Shank Brazed Dry Ceramic Tile Drill Bit Marble Granite Vitrified Tile Hole Opener Diamond Drill To removing chips, with big space and small resistance; Smooth chip removal, less heating value,ZJSCNBE ZJSCNBE 8mm-12.5mm M35 Cobalt Twist Drill Bit Power Tool Accessories for Metal Alluminum Stainless Steel Hole Drilling(9 To removing chips, with big space and small resistance; Smooth chip removal, less heating value,ARSUGMZ ARSUGMZ 5Pcs M35 Cobalt Drill Bit 1mm 1.5mm 2mm 2.5mm 3mm for Stainless Steel Auger Drill Press Power Tool Set(3.5mm 5PC To removing chips, with big space and small resistance; Smooth chip removal, less heating value,ARSUGMZ ARSUGMZ 10pcs M35 Cobalt Drill Bit Set for Metal Stainless Steel Drilling Cutter Power Tools Drilling Bit 1-6mm Hole Ope To removing chips, with big space and small resistance; Smooth chip removal, less heating value,ZJSCNBE ZJSCNBE 5Pcs M35 Cobalt Drill Bit 1mm 1.5mm 2mm 2.5mm 3mm for Stainless Steel Auger Drill Press Power Tool Set(2.5mm 5PC To removing chips, with big space and small resistance; Smooth chip removal, less heating value,ZJSCNBE ZJSCNBE 4/5/6/8/10/14mm Glass Drill Bit Practical Triangle Drills for Tile Drill Bit Cut Tools Power Tool Accessories(10 To removing chips, with big space and small resistance; Smooth chip removal, less heating value,ZJSCNBE ZJSCNBE M3-M10 Screw Tap Drill Bits Taps Countersink Deburr Set Metric Combination Bit High Speed Steel Tap Compound Dri To removing chips, with big space and small resistance; Smooth chip removal, less heating value,ARSUGMZ ARSUGMZ 3/4/5/6/8/10/12mm Cross Hex Tile Drill Bit for Glass Concrete Ceramic Tile Hole Opener,Tungsten Carbide Hard All To removing chips, with big space and small resistance; Smooth chip removal, less heating value,ZJSCNBE ZJSCNBE Drill Bit for Drilling in Hard Metal Stainless Steel 3.5mm, 4mm, 4.5mm, 5mm, 5.5mm, 6mm, 6.5mm, 7mm, 7.5mm, 8mm, To removing chips, with big space and small resistance; Smooth chip removal, less heating value,ZJSCNBE ZJSCNBE 4/5/6/7PCS Center Drill Bit Set for Glass, Ceramic Tile Wall Concrete Drilling 3-12mm Tungsten Carbide Drill Bit To removing chips, with big space and small resistance; Smooth chip removal, less heating value,