1/4'' Hex HSS High Speed Steel Thread Spiral Screw 1/8 3/8 5/16 3/16 5/32 Metric Composite Tap Drill Bit Tap 6pcs/set Hand Tools
100% brand new and high quality.
Great for fast drilling, tapping,etc.
Fast replacement composite cone, uses drill edged principle.
Suitable for drilling, tapping, cutting on soft metal, aluminum plate, iron, etc.
Drilling and tapping in one, one-step processing, greatly save processing steps and time costs, improve working efficiency.
Self-centering point, do not need assistant center drilling or center punching.
High hardness, rustproof, solid and durable.
Color: as picture shows
Shank:1/4 hex shank
Shank diameter: 6.35mm
Tap diameter: 1/8"(3.175mm); 5/32"(3.97mm); 3/16"(4.76mm); 1/4"(6.35mm);
Specific size as shown in the picture
(Note: All measurements are approximate and may vary slightly from the listed dimensions.)