Step Drill Bits Set 6PCS High Speed Steel Titanium Coated Cobalt Cone Step Drill Bit with Automatic Center Punch, for DIY Plastic Wood Metal Aluminum Iron
Texture High-speed steel 4241, titanium coating to reduce friction during cutting, easily cut 1-5mm iron, aluminum, wood, plastic,durable.
£ 20.61
SDTOOLS Premium Quality 14-20mm Reduced shank 13mm HSS COBALT 5% METAL TWIST DRILL BIT Set- DRILLING STAINLESS STEEL & HARD STEEL METAL WOOD ALUMINIUM PLASTIC (1, 14mm x 151mm)
Material M35 with 5% Cobalt; Point angle 135 Degree split point
Rarapop Upgrade M35 Cobalt Step Drill Bit with Ultra TiAIN Coating, Step Bit with Double Spiral Flute, 1/4" Hex Shank for Hard Metal, Stainless Steel, Aluminum, Copper, Wood (2-Piece Set)
TiAIN Coating The surface of the step drill bit set for metal heavy duty is coated with a layer of TiAIN, which can minimize the wear of the drill bit during each drilling process. The hardness of the 89HRC surface has also improved to a higher level, which can cut harder materials and greatly improve the cutting speed.
STROTON Metric M35 Cobalt Step Drill Bit for Stainless Steel and Hard Metal (4-32mm/15 steps)
This Cobalt Step Drill Bit is Typically Capable of Running Two to Three Times Faster.Despite the Higher Price,the Cost Per Hole When Using Cobalt Drill Bit Will be the Lowest,Since It Can Produce So Many More Holes.
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HPMAISON M35 Cobalt Step Bit, 10mm 3-Flat Shank High Speed Steel 5% Cobalt Step Drill Bit (4-32mm, 15 Steps), Silver Titanium Spiral Grooved Cone Drill Bit Hole Cutter for Stainless Steel, Hard Metal
Drilling Efficiency HPMAISON 4-32mm Cobalt Step Drill Bit has 118 Split Point which provides fast cutting. The drilling speed of cobalt step drill bit is usually three times that of ordinary step bit. Despite the high price, the cost of drilling a single hole with a cobalt drill bit is the lowest, because it can drill more holes.
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Silverline 675064 Blacksmiths Drill Bit 20 mm
Extra-large diameter
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OCGIG 6-65mm Large HSS Spiral Groove Step Drill Titanium Coated Bit Hole Cutter
Package includes 1 x 6-65mm HSS Groove Step Drill (13 Steps 6mm, 10mm, 15mm, 20mm, 25mm, 30mm, 35mm, 40mm, 45mm, 50mm, 55mm, 60mm, 65mm)
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VonHaus HSS Metal Drill Bit Set with Carry Case Organiser - 99 Pcs 1.5-10 mm High Speed Steel Bits Cobalt Coated Steel - For Drilling Wood, and Metal - Accessories Drills and Screwdrivers
PREMIUM PRECISION The HSS drill bits feature 135 split point ends for accurate, self-centering drilling with reduced wandering, low friction, and enhanced precision. Seamlessly penetrate a range of hard materials.
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IRWIN 10502567 IW10502567 HSS Cobalt Drill Bit (Din 388, 12.0-Millimetre x 151-Millimetre) Multi
A 135-degree split point grinding ensures perfect centring and reduced drilling pressure.
£ 19.93
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HSS Co HSSE metal twist drill bits 20 mm 1 Pic DIN 338 cobalt content 5% Typ N drill bit tip 135°
High-speed steel twist drills manufactured to DIN 338 standard;
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EZARC Step Drill Bit for Metal, M35 Cobalt Step Drill Spiral Flute Unibit Step Drill Bit (4-20mm) Wear-Resistant AlTiN Coated, 1/4" Hex Shank for Metal, Stainless Steel, Aluminum, Plastic
C-Profile Design EZARC Step Drill Bits feature a triple-flute design for enhanced stability, effectively addressing issues of deviation during the cutting process. Additionally, 'C-profile' cutting edge ensure smoother cutting and 2X increase in cutting speed.
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Spiral Grooved Step Drill Bit, M35 5% Cobalt HSS Step Drill Bit For Metal HSS CO 4 20mm Hex
M35 5% Cobalt HSS Step Drill Bit For Metal HSS CO 4 20mm Hex
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