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Best Choice Bosch Accessories 
Bosch Accessories 15-Piece Mini-X-Line Mixed Drill Bit Set (Metal, Masonry, Wood, 3x Ø 3/4/5/6/8 mm, Accessories for Dri For use in masonry, limestone, natural stone and artificial stoneBest Value Bosch Accessories 
Bosch Accessories Blue 19-Piece PointTeQ HSS Twist Drill Bit Set (For Metal, ProBox, Ø 1.0–10.0 mm, Drill Driver Accesso Saves time: The HSS Twist Drill Bit PointTeQ with reduced shank enables you to drill through metal quickly thanks to theHORUSDY 
Horusdy 99-Pieces Titanium Drill Bit Set, HSS 1.5mm - 10mm Size, High Speed Twist Drilling Bits Kit for Metal, Plastic, TITANIUM | HIGH-SPEED STEEL: Classic High-Speed Steel Construction With Titanium Coating For Proven Capability And DurabBosch Accessories 
Bosch Accessories 10-Piece HSS-R Metal Drill Bit Set (for Metal, Titanium, Ø 1-10 mm, Accessories for Drills) Twist drill bits made of high speed steel for drills guided by hand and used in stationary applicationsBosch Accessories 
Bosch Accessories 43 Piece X-Line Drill and Screwdriver Bit Set (for Wood and Metal) All standard drill and screw components for wood and metal jobs are includedDEWALT 
DEWALT DWA1181 21-Piece Set Black Oxide Coated Hss Twist Drill Bit Set DEWALT 21-pack black oxide twist drill bit set is ideal for general-purpose drilling materials like metal, hardwood, sofHi-Spec 
Hi-Spec 130pc Mixed Multi Drill Bit Set. 1 to 10mm HSS Titanium Coated, Masonry & Brad Point Steel Bits for Metal, Woods GET DRILLING DONE: For everyday DIY jobs, drill quickly and accurately with the right bit in mild steel, wood, plasterbo15% Off TOPEX TOPEX 246PC Combination Drill Bit Set Screw Bits Titanium for Metal Wood Masonry Comprehensive, High Quality 246pc Drill Bit Set - Made for Masonry, Wood, Metal and Plastic Drilling as well as MultipleBosch Accessories Bosch Accessories 91-Piece V-Line Titanium Drill Bit and Screwdriver Bit Set with Ratcheting Screwdriver (For Wood, Maso Metal drill bits with high performance titanium nitride coatingAmazon Basics Amazon Basics Drill and Driver Multi-Bit Set - 100-Piece 100-piece drill and driver multi-bit set; ideal for metal, wood, plastic, masonry, and hole sawsBestgle Bestgle 50 Pcs Mini Twist Drill Bit Set Titanium Coated High Speed Steel Drill Bits Round Shank Micro Twist Bits for Woo Multiple Purpose - Set of 50 pcs twist drill bits with 5 varied sizes: 1mm, 1.5mm, 2mm, 2.5mm, and 3mm with round shanksDEWALT DEWALT DW1354 14-Piece Titanium Drill Bit Set, Yellow Titanium Pilot Point for Longer Life16% Off Hi-Spec Hi-Spec 44pc Impact Drill Driver Screw Bit Set with Popular PZ & PH Sizes. 1/4 Hex S2 Screwdriver Bits with Nut and Sock 44pc GET IT DONE: Screwdrive into hard surfaces and tighten nuts with the Hi-Spec Impact Drill Driver Screw Bit SetDEWALT DEWALT DWA1184 14Piece Set Black Oxide Coated HSS Twist Drill Bit Set 135° split-point drills on contact and prevents walkingfixinus Fixinus 3 Pack HSS Titanium Coated Step Drill Bit Set, 1/4" Hex Shank Quick Change High Speed Steel Cone Drill Bits for 【Titanium Coating】HSS combined with a titanium coating, this step drill set performs well in heat,corrosion and rust resWORKPRO WORKPRO 9-Piece 1/4" Hex Shank Drill Bit Set, Titanium Plating HSS Drill Bits from 1/16" to 3/8" for Metal, Steel, Wood, Set Includes: 9 commonly used sizes, including 1/16", 3/32 ", 1/8 ", 5/32 ", 3/16 ", 7/32 ", 1/4 ", 5/16", and 3/8", whiBosch Accessories Bosch Accessories 7-Piece Masonry Drill Bit Set (Natural Stone, Ø 3/4/5/5.5/6/7/8 mm, Accessories for Impact Drills) Tool holder: cylinder shankOZSTOCK 105Piece Drill Bits Set Workshop High Speed Steel HSS 1-10mm Titanium Coated High-Quality: The main material is high-speed steel, with titanium and nitriding treatment, high speed steel is more abrSTROTON Metric M42 8% Cobalt Twist Drill Bits Set for Stainless Steel and Hard Metal (1mm-10mm/19pcs) Premium M42 8% Cobalt Steel ,68-70 HRC (Rockwell Hardness Scale) ,Usually Give the Best Heat,Wear and Chip Resistance anAIMALL 13 PCS Quick Change HSS Titanium Drill Bits Hex Shank Set Soft Metal Wood Timber Bosch Accessories Bosch Accessories 70 Piece X-Line Drill and Screwdriver Bit Set (for Wood, Masonry, and Metal, Accessories for Drills) For fast, clean drilling in the most diverse metals, Plexiglas and hard plasticsZONADA ZONADA 1/4” Hex Shank HSS Drill Bits, 13pcs in Set Titanium Coated Drill Bits, 1.5mm-6.5mm, High Speed Steel Quick Chang Set of 13 pieces ZONADA Drill Bits. Size 1.5mm(1/16inch), 2mm(5/64inch), 2.5mm(3/32inch), 3mm(7/64inch), 3.2mm(1/8inch),Nomel 15 Piece Metric M35 Cobalt HSS Drill Bit Kit with Straight Shank for Drilling Cast Iron,Brass,Stainless Steel Woodwork P Quality material: Manufactured from M35 cobalt steel, with molybdenum and cobalt added to creates a hardened alloy, measJanzoom Janzoom 5pcs Masonry Drill Bit Set, Industrial Strength Carbide Drill Bit Tip, Triangle Shank, 1/4”,1/4”,5/16”,3/8”,1/2” 【High Quality Drill Bit Set】：Industrial strength carbide drill bit tip, excellent abrasion resistance, make the drillingDEWALT DEWALT Black Oxide Drill Bit Set with Pilot Point, 13-Piece (DW1163) The product is 13PC BLK OX Dry Bit Set26% Off Makita Makita B-53811 Drill & Screwdriver Bit Accessory Set (100 Piece), Multi-Colour, Set of 100 - 2 x hole saw (32 mm and 38 mm)Neiko NEIKO 10181A Step Drill Bit Set, 3 Piece, Spiral Grooved for Faster Drilling, Step Bits for Stainless Steel, Metal, Wood PREMIUM STEP BIT: Each unibit is constructed of industrial high-speed steel with a titanium nitride coating for durabiliYUENTOEN YUENTOEN 13PCS Cobalt Drill Bit Set 1.5mm-6.5mm, M35 HSS Twist Drill Bits for Carbon Steel, Stainless Steel, Hard Metal, High Quality: Our Twist Drill Bit HSS are manufactured from M35 cobalt steel, with molybdenum and cobalt added to createMgtgbao 6PCS Ceramic Tile Drill Bits, Mgtgbao Masonry Drill Bits Set for Glass, Brick, Tile, Concrete, Plastic and Wood Tungsten _6 pieces fine grade high durable drill bits in 4 different sizes: that is 2 x 6 mm(1/4"), 1 x 8 mm(5/16"), 1 x 10 mm(3/YUENTOEN YUENTOEN Twist Drill Bits - 8Pcs Serrated Drill Bit Set, Titanium Coated HSS Sharp 3-10mm Carpenter Hacksaw Drill Bit Sp 【Premium Material】This twist drill bit is made of HSS material with titanium coated,the drill bits body edge, which incrVearter Vearter 5PCS HSS M2 Twist Drill Bit Set, 5/6/8/10/12mm Hex Shank Quick Change Jobber Drill Bit, Titanium Coated Metal Dr Package & Size - 5PCS Hex Shank Drill Bit Set comes in a durable plastic case with hanging hole for easy storage and retHORUSDY HORUSDY Impact Drill Bit Set, 112-Pieces 1/4" Hex Shank Impact Driver Bits and Screwdriver Bits Set for Screw Driving an 【Complete Configuration】112-pcs drill toolkit includes all the drill bits you need. Perfect for DIY projects and househoGeneric 2-Pack High Magnetic Screwdriver Drill Bit Set, Universal Anti-Slip Impact Resistant Magnetic Electric Screwdriver Drill 【Super Magnetic Position】Slideach High Magnetic Screwdriver Drill Bit Set each bit is equipped with a strong magnet at tBosch Accessories Bosch Accessories 34 Piece X-Line Drill and Screwdriver Bit Set (For Wood, Masonry, and Metal, Accessories for Drills) Magnetic universal holder for fast bit changes and a reliable screw hold in the bitBosch Bosch Accessories Professional 8 pcs. Brad Point Drill Bit Set (for Wood, Ø 3-10 mm, Accessories Rotary Drills) Part of the brand new borsch robust range of drill bits and accessoriesZONADA ZONADA 6Pcs Wood Flat Drill Sets 10mm 12mm 16mm 18mm 20mm 25mm Steel Woodworking Spade Drill Bits Hex Shank Puncher Sets 1. Versatile Woodworking Drill Set: This 150mm woodworking drill set is ideal for drilling and hole punching in variousWakects 8pcs Twist Drill Bit Set, 200mm Extra Long Spiral Drill Bit High-Speed Steel Straight Shank Twist Drill Bits Set Tool 4- HIGH QUALITY: These twist drill bits are made of high-speed steel for high hardness and durability, sturdy andTooluxe Tooluxe 10055L Hex Shank Drill Bit Set, 30 Pc, Titanium Coated Metal Drill Bits, Quick Change Design, Small Drill Bits f QUICK CHANGE DRILL BIT SET: Quick-change 1/4" drill bits with hex shank locks into both hex sleeves and quick release chKoycbiao 6Pcs HSS Titanium Coated Drill Bit Set with Case, 3 Step Drill Bits + 3 Serrated Drill Bits for Metalworking, Woodworkin A necessity for family or handyman or professionals - Perfect for home repairs and light jobs such as drilling holes inSEDY SEDY 246-Piece Ultimate Drill Bit and Driver Set, Premium Quality Drill Bits for Wood Metal Cement Drilling & Screw Driv VERSATILE: 246-pcs drill toolkit includes all the drill bits you need. Perfect for DIY projects and household maintenancYakamoz Yakamoz 20Pcs 0.3-1.6mm Shank Mini Micro Drill Bit Set Twist Drill DIY Kit Rotary Hand Tools 100% Brand New and High Quality HSS Drill Bit.Bosch Accessories Bosch Accessories Professional 35-Piece Extra Hard Concrete Masonry Drill Bit and Screwdriver Bit Set (For Concrete/Maso S2 Modified Steel and an optimised heat treatment process results in extra-hard quality for reliable performance14% Off Bosch Bosch Accessories Professional 8-Piece Impact Control HSS Twist Drill Bit Set (Pick and Click, HEX-9, Ø 2.0–10.0 mm, Imp Material: High-speed steel (HSS)Mbnvtxh 10Pcs Glass and Tile Porcelain Drill Bit 6mm Tungsten Carbide Tipped Spear Drill Set Hex Shank Electric Screwdriver Bits [High Quality Alloy Material] Made of high quality alloy, the oxy-nitriding process of the bit improves the hardness ofDEWALT DEWALT DT71563-QZ Combination Drill Bit Set - 100 Pieces - Black Durable Case Included Optimised bit design for long life and durability in drilling and screw driving applicationBLACK+DECKER BLACK+DECKER Drill Bit Set/Screwdriver Bit Set Combo, 109-Piece (BDA91109) SCREWDRIVING AND DRILLING SET - 109 bits for a variety of household projectsMgtgbao Mgtgbao Concrete Drill Bit Set, 10pcs Masonry Drill Bits Set Carbide Tip for Glass, Brick, Tile, Concrete, Plastic and W ❶NEW DESIGN: U-shaped drain groove, spiral handle design, easy to remove chips during work, smoother drilling. 10 pcs drBosch Accessories Bosch Accessories Bosch 2pcs. HSS-G Drill Bit (Metal, Hard plastic, Ø 3 x 33 x 61mm, Accessories Drill Driver) Ground from solid, high concentricity21% Off WORKPRO WORKPRO 3-Piece Step Drill Bit Set, 1/4" Hex Shank Quick Change High Speed Steel Titanium Coated Drill Bits for Plastic, High speed steel along with titanium coating ensures outstanding durability and sharpness for plastic, aluminum, copper,Bosch BOSCH SP515 5 Piece Hex Shank Countersink Drill Bit Set with #6, #8, #10, and #12 VERSATILITY: Bosch hex shank countersink bits feature adjustable depths and provide precise, clean pilot holes in wood,Bosch Accessories Bosch Accessories Professional 7-Piece CYL-3 Bit Set (for Concrete, Ø 4-10mm, Accessories for Impact Drills) High-performance drill bits with two cutting edges from durable Carbide for durability and good resistance21% Off Aufondof Aufondof 4Pcs/Set Titanium Coated Step Drill Bit Set, HSS Hex Shank Metal Multiple Hole Step Drill Bit Kit / 3-12mm 4-12 Quality Materials: Forged from titanium coated high speed steel, fully polished, drop forged and heat treated, strong anBosch Accessories Bosch Accessories Professional 35-Piece Multi-purpose Drill Bit and Impact Control Screwdriver Bit Set (Pick and Click, Multi construction drill bitsSEAYO 3 Pcs HSS Step Drill Bit Set, Titanium Coated High-Speed Steel Cone Drill Bit with 1/4" Hex Shank Drive for Plastic, Woo Material: HSS combined with a titanium coating. More capable and durable.WYJREES 15pcs Forstner Bit Set Woodworking Drill Bit Set Carbide Steel Forstner Drill Bits Woodworking Hole Saw Cutter Wood Tool Premium Material：lehom forstner bit set is made of excellent carbon steel with high hardnessBosch Accessories Bosch Professional 19pc. HSS-Cobalt ProBox Metal Drill Bit Set (for Stainless Steel, Ø 1-10 mm, Accessories Drill Driver Up to a tensile strength of 900 N/MM134DEWALT DEWALT DW1341 14-Piece Titanium Nitride Speed Tip Drill Bit Set Speed Tip Reduces WalkingBosch Bosch TI9IM 9 Pc. Impact Tough Titanium Drill Bit Set, Impact Rated: Featuring the Bosch Impact Tough bit design so the screw driving bits are impact rated and provide 2X longBosch Bosch Professional Professional 2608594070 Mixed Accessory Set (103 Piece), Black Content: 103 pcsDEWALT DeWalt Titanium Pilot Point Drill Bit (21 Pieces) Starts on contact for quick work and clean holesDEWALT DEWALT DWA1240 Pilot Point Industrial Cobalt Drill Bit Set (14 Piece) Designed for maximum speed and lifeYUENTOEN 12Pcs Mini Twist Drill Bit Set, Micro Engraving Drill Bits, HSS 2.35mm Shank Titanium Coated 0.5mm to 2.0mm Tiny Drill B Product Feature: Fully ground spiral groove design clears particles quickly, decreases friction and heat for a faster anHorn Tools 13Pcs Hex Shank Twist Drill bit Set 1.5-6.5 mm Titanium Coated HSS High Speed Steel Quick Change 1/4"hex bit Drill Set D Professional Twist Drill Bits : Set of 13 pieces with size 1.5mm(1/16inch), 2mm(5/64inch), 2.5mm(3/32inch), 3mm(7/64inchBosch BOSCH CO21B 21-Piece Assorted Set with Included Case Cobalt M42 Metal Drill Bit with Three-Flat Shank for Drilling Appli Cobalt M42 drill bit – provides upgraded M42 Cobalt jobber-length bits designed for durability, high heat resistance andNeiko NEIKO 10047A Extra Long Drill Bit Set | 5-Piece | M2 HSS Steel | 12-Inch Length | 1/8, 3/16, 1/4, 5/16, and 3/8-Inch [LONG REACH]: Extra-long drill bits give you 12 inches of added length to work with and provides more stability during qMEYYLXE 10Pcs Tile Porcelain Drill Bit, 8mm Carbide Tip Drill Bits, Glass and Tile Drill Bit Set, Hex Shank, Work with Ceramic P High quality materials and exquisite craftsmanship: The hard alloy crosshead can make positioning more accurate, and theTOPEX TOPEX 17 Piece SDS Plus Rotary Hammer Drill Bits Set & Chisel Bits Hole Tool Set Drilling Bricks, Concrete, Wall,Stone [PROFESSIONAL HEAVY DUTY] Made of premium 40Cr carbon steel with heat treatment improves core strength for maximum durabBosch Bosch CC2430 Clic-Change 3-Piece No. 6, No. 8, and No. 10 Self-Centering Bit Assortment CONVENIENCE: Change Bits Without Re-ChuckingMgtgbao Mgtgbao 10PC Masonry Drill Bits, Concrete Drill Bit Set for Tile,Brick, Plastic and Wood,Tungsten Carbide Tip Best for W ➊HIGH-QUALITY MATERIALS：It is made of high quality YG6X alloy as raw material. The process of oxynitriding of the cutterFullFun FullFun SDS Plus Carbide Drill Bit Set 7 pcs - Ø 5-12mm Hammer Drill Bit Set SDS for Concrete, Stone, Granite, Brick and 7-PIECE DRILL SET: 7-piece SDS Plus concrete drill bit set suitable for every SDS Plus rotary hammer. Hammer drill bitsBosch Bosch Accessories Professional 5-Piece HSS-G Metal Drill Bit Set (for Ferrous Metals, Non Ferrous Metals, Ø 2-6 mm, 1/4" HSS Twist Drill Bit offers high precision drilling for standard usage with metalBriny River Briny River 20Pcs 4241 High Speed ??Steel Mini Twist Drill Bit Set 0.8-3mm Suitable for Pin Vise Hand Drill Miniature Mo Made of 4121 HSS, excellent cutting performance, high tensile strength and improved durability.Sutinna Twist Drill Bit Set, 5 Different Sizes Drill Bit Drill Bit, Extra Long Drill Bit Spiral Drill Bit, for Wood for Drilling Twist drill bits are made from high-speed steel for high hardness and durabilityMengshen Mengshen M35 Step Drill Bit 4-32mm, HSS Cobalt Drill Bit Set Hex Shank Straight Slot Large Bit Pagoda Drill Hole Reamer Much More hardness - M35 HSS is harder lot than HSS 4241, suit for drilling in stainless steel plate & quenching steel pMeichoon Meichoon Forstner Drill Bit Set 15-35mm 16 Pcs, Carbide Forstner Bits High Speed Steel Wood Tool Punching Bit Wood Slabs Advanced technology manufacturing and durable material - Made from Tungsten steel and being hot-treated, the blade is chNaisfei 10 Pieces Drill Bits 6mm Glass and Tile Drill Bit Set Tungsten Carbide Drilling Tool,Glass Drill Bits for Glass Ceramic ✔Material:Marble drill bits made of hard alloy, sharp and solid enough,these ceramic tile drills have very good abrasionBestgle Bestgle 12 Pcs Magnetic Cross Slot Driver Bit Set PH2 S2 Steel Phillips Impact Batch Head Hardness Anti-Slip Screwdriver This package include 12 pcs (each set 6 pcs x 2) PH2 cross screwdriver bits with 6 different length: 1"(25mm), 2"(50mm),Joyhey 20 Pcs 1.0 mm HSS Micro Twist Drill Bit, Mini High Speed Steel Drill for Wood, Plastic, Soft Metal Made of High Speed Steel, high hardness,rust and corrosion resistance, long service life.FineGood 25 pcs Pin Vise Hand Drill Bits, FineGood 24 pcs Micro Mini Twist Drill Bit Set (0.6-3mm) with 1 pc Pin Vise Rotary Tool HSS DRILL BITS: The pin vise drill bits set contains 12 different sizes micro drills - 0.6, 0.7, 0.8 1.0, 1.2, 1.5, 1.8,Mengshen Mengshen Co Step Drill Bit 4-32mm Spiral Groove, M35 HSS Multi Hole Cutting Enlarge Stainless Steel Plate Quenching Stee Much More hardness - M35 HSS is harder lot than HSS 4241, suit for drilling in stainless steel plate & quenching steel pDKIBBITH DKIBBITH 10 Piece Masonry Drill Bits Set for Tile Glass Ceramic Brick Wood, 3mm to 12mm Drilling Bits with Triangle Hand 10 pcs of masonry drill bits with the following tip diameters: 3mm, 4mm, 5mm, 6 mm(*4), 8mm, 10mm and 12mm.Mengshen Mengshen Forstner Drill Bits Woodworking Drill 15-35mm 5PCS, Carbon High Speed Steel Flat Wing Drilling Hole Hinge Cemen High-speed steel woodworking hole saw open hole neat, smooth, no tremor can sharp cutting edge improves opening speed, eKEWAYO KEWAYO 20pcs PCB Drill Bits Set Spiral Flute Carbide 0.1mm-2.0mm Micro Drill Bits 1/8" Shank for Print Circuit Board Sto High quality:The PCB drill bits are made of high quality tungsten steel, highly wear resistance, high hardness, bending15% Off Saipe Saipe 5pcs 1/4" Quick Change Hex Shank Metal Stubby Drill Bits Short Drill Bit Set HSS M2 for Right-Angle Drill Attachme Material: Constructed of M2 HSS with strict heat-treatment to enable high hardness and tensile to keep long cutting lifeQWORK QWORK 5 Pcs Set (6, 6, 8, 10, 12mm) Multi-Material Drill Bit Set for Tile,Concrete, Brick, Glass, Plastic and Wood Tungs 1) One drill bit replaces two drill bits (1x glass & tile drill bit + 1x Mansonry drill bit), ideal for drilling fastnerMAX-CRAFT Hss Cobalt Drill Bit Double End 10Pcs 1/8 inch Drill Steel Metal Double End Drill Bit Size: 1/8"(Diameter) x 5/8"( Flute Length) x 2" (Overall Length)Mgtgbao Mgtgbao 【urgrade】 10pc 6MM Masonry Drill Bits, 10PC 1/4” Concrete Drill Bit Set for Tile,Brick, Plastic and Wood,Tungste ❶NEW DESIGN: U-shaped drain groove, spiral handle design, easy to remove chips during work, smoother drilling. 10 pcs drYosoo Yosoo 6Pcs Drill Tap Combination Coated HSS 1/4inch Hex Shank Thread Drill and Tap Bits Set M3-M10 High quality - Made of high-speed steel(HSS), high hardness and rust resistance for longer life.Semderm Diamond Drill Bits Set, 10 PCS Diamond Hole Saw Set, Glass Drill Bit for Ceramic Tile Porcelain Marble Granite Stone Bot 【Diamond Drill Bits】These drill bit kits are made of upgraded carbon steel with smooth nickel plating surface to resistYUENTOEN YUENTOEN 6Pcs Phillips Magnetic Screwdriver Bit Set, S2 Steel Anti-Slip Long Drill Bits,1/4 Inch Double Slot Hex Shank P Unbreakable S2 Steel: Crafted from heat-treated S2 steel for exceptional wear resistance, impact toughness, and long-lasAMARTISAN Amartisan 20 PACK Hex Head Allen Wrench Drill Bit Set, Metric and SAE S2 Steel Hex Bits Set, Magnetic Tips, 2.3" Long Wi S2 Material Forging：The drill bit is made of high quality S2 alloy steel ,with sturdy hardened & tempered construction.Generic Metric Thread M3/M4/M5/M6/M8/M10 Combination Drill Tap & Tap Bit Set, 1/4" Hex HSS Shank Titanium Drill Tap Combination Name: Metric Combination Drill Tap Set; 1/4" Hex Shank;DKIBBITH 6 Packs Combination Drill & Taps Bit Set, Screw Tapping Threading Tools in Sizes M3*0.5 M4*0.7 M5*0.8 M6*1.0 M8*1.25 M10 COMBINE DRILL and TAP at the same time - All in one and works great and save a lot of time and trouble when doing threadLepoHome Diamond Drill Bits, LepoHome 10 PCS Hollow Core Drill Bit Set for Ceramic, Glass, Porcelain Tile Diamond Hole Saw Tile S 10 Sizes(Diameter): 6mm(1/4"), 8mm(5/16"), 10mm(3/8"), 12mm(1/2"), 14mm(0.55"), 16mm(5/8"), 18mm(11/16"), 20mm(3/4"), 22ZONADA ZONADA 230mm Long Twist Hardwood Drill Bit Set of 5 Hardened High Carbon Steel 6-14mm Metal Spiral Drill Woodworking Hol DURABLE CONSTRUCTION: Made from high carbon steel, these drill bits feature a hardened spiral design that stays sharp foSTROTON STROTON Metric 5% Cobalt Step Drill Bits for Stainless Steel and Hard Metal (4-32mm/15 Steps) Premium M35 5% Cobalt Steel ,66-69 HRC (Rockwell Hardness Scale) ,Usually Give the Best Heat,Wear and Chip Resistance anJanzoom Self Centering Hinge Tapper Core Drill Bit Set for Opening Hole-5/64 Inch 7/64 Inch 9/64 Inch 11/64 Inch 13/64 Inch 5mm 【High Quality Drill Bit Set】：The center drill is made of high-speed steel drill bit and quenching treatment shell. HighMengshen Mengshen Forstner Drill Bits 15-35mm 16PCS, Carbon High Speed Steel Woodworking Hole Saw Punching Bit Wood Slabs Flat Wi Advanced technology manufacturing and durable material - Made from Tungsten steel and being hot-treated, the blade is chKEWAYO KEWAYO Brad Point Wood Drill Bit - 8 Pcs 3-10mm Spur Point Spiral Twist Wood Metric Drill Bits with Durable Case Wood Wo MEET YOUR NEED - With the 3-10mm wood drill bits we offered, you can process 8 different diameter holes(1/8", 5/32", 3/1SHDIATOOL SHDIATOOL Dry Diamond Drill Bits,2pcs 6mm M14 Thread for Porcelain Tile Marble Wall Tile Stoneware Granite Diameter 6mm M14 connection, Total height 60MM, Diamond height 10MM