Triangle/Hex Shank: fits into power tools chuck securely and eliminates slip.
Surface Treatment: Blue coated. Classic high speed steel with Blue coating for proven capability and durability in drilling holes in plastic, aluminum, copper, stainless steel and many other types of sheet metal.
Easy Drilling: Two-fluted design provides faster, smoother cutting;Provided with small pressure and the sets can cut through wood, sheet metal, steel and other surfaces.
Ideal For DIY: Tiny Home and General Building / Engineering Using(Without the use of center punch, easy to break, a step drill specifications apply.)
وصف
Combination Drill & Taps
Stepped Drill Bit 4-12/4-20/4-32mm Wood Metal Hole Blue Coated Step Cone Drill Core Drilling Tool 1Set
See the second picture for details
Specifications:
Material: High speed steel(HSS)
Coating: Blue Coated
Shank: Triangle/Hex shank
Size: 4-12mm, 4-20mm, 4-32 mm
Note:
Due to the difference between different monitors, the picture may not reflect the actual color of the item.
Package Including:
1 Set 4-12/20/32mm Step Drill Bits