Description: 4.1-4.8MM Perforated Steel Stainless Steel Electric Drill Bit Containing Cobalt Tungsten Steel Alloy Suit Spiral Drill Bit.
Specification: Produce Name: Spiral Drill Bit.
Material: M35 contains cobalt.
Specification: 4.1-4.8mm.
Suitable For: Drilling equipment.
Size: Drill diameter x Working length x Shank diameter x Total length.
4.1mm x 43mm x 4.1mm x 75mm.
4.2mm x 43mm x 4.2mm x 75mm.
4.3mm x 47mm x 4.3mm x 80mm.
4.4mm x 47mm x 4.4mm x 80mm.
4.5mm x 47mm x 4.5mm x 80mm.
4.6mm x 47mm x 4.6mm x 80mm.
4.7mm x 47mm x 4.7mm x 86mm.
4.8mm x 52mm x 4.8mm x 86mm.
Feature: -High grinding accurate, strong toughness, sharp and wear-resistant.
-Wide scope of applications, suitable for stainless steel, aluminum alloy, copper, iron and other materials.
-Double clearance angle of blade knife, cutting sharper and faster drilling speed.
Package Included: 1 X Spiral Drill Bit
Product Attributes: