3Pc Hss Step Cone Taper Drill Bit Set Metal Hole Cutter Metric 3-12 4-12 4-20Mm 1/4 inch Titanium Coated Metal Hex Taper

3Pc Hss Step Cone Taper Drill Bit Set Metal Hole
Automatically Deburrs Holes As You Drill
Two-Flute Design Gives You Faster And Smoother Cutting
Titanium Nitride Coating For Cooler Running
Quick-Change 1/4 inch Hex Shank
High Speed Steel For Long Life
Color: golden yellow + silver
material: metal
These Step Drill Bits Are perfect For Variety Of Materials From Metal, Plastic, Fiberglass To Wood
They Also Help To Enlarge Existing Holes
The Two Flute Design Tips Can Make The Penetration Faster Without Chipping
1/4 inch Hex Shank
Sizes: (approx.)
3-12mm:3, 4, 5, 6, 7, 8, 9, 10, 11, 12 mm/ 0.12, 0.16, 0.20, 0.24, 0.28, 0.31, 0.35, 0.39, 0.43, 0.47 in
4-12mm:4, 6, 8, 10, 12 mm/ 0.16, 0.24, 0.31, 0.39, 0.47 in
4-20mm:4, 6, 8, 10, 12, 14, 16, 18, 20 mm/ 0.16, 0.24, 0.31, 0.39, 0.47, 0.55, 0.63, 0.71, 0.79 in
4241 High-Speed Steel HSS (Suitable For Use In The Workpieces Whose Hardness Is 25 Degrees Such As Carbon Steel, Plate, Insulation Board, and Wood Board)
Packing list:
3 * Step Drill Bit With Bag
Only the above package content, other products are not included.
Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.

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