5PCS 13/32 Inch HSS Twist Drill Bits M2 Black Oxide 135 Degree Split Point 3/8" Reduced Shank Fully Ground Jobber Drill Bits for Drilling on Mild Steel, Copper, Aluminum, Zinc Alloy

Features:Manufactured from M2 high speed steel, with molybdenum added to creates a hardened alloy, measuring Rockwell hardness up to 63, for much faster cutting and extra longer life span.No center punch is needed—the 135° Quick-Cut points are self-centering and penetrate quickly with less pressure. Will not "walk" or "wander".Extremely heat resistant; must be used and operated at 1500 RPM or greater for maximum efficiency. 3/8" reduced shank allows for firmly holding and accurate centering, fit for standard drill chucks and regular round collet chucks.The listing includes 5PCS M2 high speed steel twist drill bits: 13/32" inch.Particularly successful in cutting through hard metals such as alloy steel and cast iron, although they can be used for softer materials, too.

• Black oxide jobber length twist spiral drill bits, N-shaped 135-degree point angle.
• Size: The set includes 5PCS of 13/32"(Dia) x 3-7/8"(Flute Length) x 5-1/4"(Overall Length) M2 grade steel twist drill bits. Manufactured to US ANSI standard.
• Double edge, cylinder bit body & right rotation.
• Fully ground processing technology for bright, smooth surface and durability. Long life, wear resistant & precise dimensions.
• For used drilling in Cast Iron, Aluminum, Low Carbon steel, Mild steel, Alloy metal, Plastic.