Description:
5pcs HSS Step Cone Drill Bit Set High Speed Steel Hole Cutter
Specification:
Material: High Speed Steel
Quantity: 5pcs/set
| Size | Total Length*Shank Diameter | Step |
| 1/4- 1-3/8 inch |
approx. 70x8mm
|
10 Steps (1/4'', 3/8”, 1/2'', 5/8'', 3/4'', 7/8'', 1'', 1 1/8'', 1 1/4'', 1 3/8'') |
| 3/16- 7/8 inch | approx. 70x8mm | 12 Steps (3/16'', 1/4'', 5/16'', 3/8'', 7/16'', 1/2'', 9/16'', 5/8'', 11/16'', 3/4'', 13/16'', 7/8'') |
| 1/4- 3/4 inch | approx. 66x8mm | 9 Steps (1/4'', 5/16'', 3/8'', 7/16'', 1/2'', 9/16'', 5/8'', 11/16'', 3/4'') |
| 1/8- 1/2 inch | approx. 70x6mm | 13 Steps (1/8'', 5/32'', 3/16'', 7/32'', 1/4'', 9/32'', 5/16'', 11/32'', 3/8'', 13/32'', 7/16'', 15/32'', 1/2'') |
| 3/16- 1/2 inch | approx. 55x6mm | 6 Steps (3/16'', 1/4'', 5/16'', 3/8'', 7/16'', 1/2'') |
Features:
This set replaces 50 individual drill bits. The two-flute design gives you faster, smoother cutting. 3-sided (TRI-FLAT) shank will not slip in your drill's chuck. Cobalt coated for smoother cooler cutting.
SELF STARTING - No need for a pilot hole.
Cobalt coated to reduce friction and run cooler.
Large bit has 3-sided shank and small bits have hex shank to prevent slip in drill chuck.
Automatically deburrs holes as you drill.
Apply to with a clamp or joint drilling machine, suitable for drilling in the hardwood and wood floor, machine screw for the wood screw.
Package Included:
1 x 3/16" to 1/2" Step Drill
1 x 1/8" to 1/2" Step Drill
1 x 1/4" to 3/4'' Step Drill
1 x 3/16" to 7/8" Step Drill
1 x 1/4" to 1-3/8" Step Drill
Notice:
1. Please allow a bit error due to manual measurement. please make sure you do not mind before you bid.
2. The color may have different as the difference display, pls understand.
More Details:
