5/16\ Spot Weld Drill Bit Cutter Double Sided Carbide Tip Metal Point Drilling

Feature: *Cast iron and other difficult to process metal materials. *With cost-effective and practical. *Provides better panel separations than a panel cutter. *High strength and hardness. *Durable in use. *Use: iron cast iron alloy steel carbon steel die steel. Specification: *Type: Spot Weld Drill Bit *Material: high speed steel *Color: Silver+Black *Size: approx. 76*7mm *Teeth diameter: 5/16 (8mm) Package included: 1x Rotary Spot Drill Note: 1. The real color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness. 2. Please allow slight manual measurement deviation for the data.