Easy to install, convenient to use, and widely applicable
Description:
Type: Step Drill Bit
Head Type:Hexagon Shank
Material:High Speed Steel
Surface Treatment: Nitrogen coating
Supporting tools: Pistol drill, Hand drill, Charging drill, Bench drill.
Product: 3-12mm, 4-12mm, 4-20mm (Straight Groove)
Specifications:
Nitrogen coating bit with 2-flute design for versatile drilling in steel, stainless steel, copper, aluminum, and other surfaces
Cuts through steel, sheet metal and other surfaces with only a small amount of pressure and deburrs as you drill
Made of high speed steel and nitrogen coated for added durability and bit life
3-12mm, 4-12mm, 4-20mm
1/4" hex shank fits most tools and prevents slippage when drilling new holes or enlarging existing holes
Package Included:
3pcs/set HSS Nitrogen Step Drill Bit