toolant Center Drill Bit Set, TiAlN Coated Cobalt M35 HSS Centering Drill Bit for Stainless Steel, Carbon Steel, Alloy Steel, Cast Iron, Copper, Other Hard Metals, #1-5, SAE 3/64"-3/16" (6pcs)

Key features

• Durable & Long-Life with Top QualityM35 Cobalt High Speed Steel (5% Cobalt) with TiAlN Coating makes our center drill bit much harder, more wear-resistant, heat-resistant and durable. Arc-shaped root of the drill bit tip reduces the risk of breaking greatly.
• Cut Precise Holes EfficientlySandblasting passivation surface treatment and fully ground body process ensure more accurate and smooth drilling. Arcuate spiral groove provides excellent chip removal and heat removal. 118° split point prevents walking and makes drilling precise and faster.
• Wide ApplicationPerfect for drilling center holes with most lathe machines and power drills in Stainless Steel,Hardened Steel, Carbon Steel, Alloy Steel, Cast Iron, Aluminum, Copper, Wood and other hard metals.
• 5 Sizes Fit All NeedsIncludes 6pcs centering drill bits with 5 most commonly-used sizes, #1 3/64"(*2), #2 5/64", #3 7/64", #4 1/8", #5 3/16". These lathe bits can be used for processing materials with diameters of 3/16''(5mm)~5"(130mm).
• 90 Days Warranty & StorageIf you are not fully satisfied for any reason, please contact us for 100% refund or replacement. This drill bit set comes with a portable plastic case for easy storage and organization.

Free shipping included. 30-day hassle-free returns.