Description of OCGIG Titanium Coated Spiral Groove
Material: HSS 4241 (High Speed Steel). Titanium coated to reduce friction and heat. Automatically deburr holes as you drill. Suitable to cut holes in a variety of material like iron plate, aluminum plate, insulation boards, PVC sheet, ect. Package includes: 3 x 4-12/20/32mm HSS Groove Step Drill.We will resend or refund if the customer receives a response quality problem!We are always willing to serve you.Thank you for your trust.