Self Start Step Drill Bit Cobalt Cone set

5pcs Hss Cobalt Step Drill Bit Set Multiple Hole 50 Sizes with Aluminum Case
Cobalt coated for smoother cooler cutting.

SELF STARTING - No need for a pilot hole.
Cobalt coated to reduce friction and run cooler

Specification:
1: 3/16" to 1/2" 6 Steps (3/16'', 1/4'', 5/16", 3/8'', 7/16'', 1/2'')
2: 1/8" to 1/2" 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: 1/4" to 3/4'' 9 Steps (1/4'', 5/16", 3/8", 7/16", 1/2", 9/16", 5/8", 11/16", 3/4")
4: 1/4" to 1-3/8"' 10 Steps (1/4'', 3/8", 1/2", 5/8", 3/4", 7/8", 1", 1-1/8", 1-1/4", 1-3/8")
5: 3/16" to 7/8" 12 Steps (1/4'', 5/16", 3/8", 7/16", 1/2", 9/16", 5/8", 11/16", 3/4", 13/16", 7/8")

Package Size:
15cm x 10.5cm x 4.2cm(L*W*H)
Weight: 450g

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.
A large bit has a 3-sided shank and small bits have a hex shank to prevent a slip in the drill chuck.
Automatically deburrs holes as you drill.
Long-life true M2 high-speed steel.
Includes protective padded aluminum case.

Package Included:
1 x 1/4-1-3/8 Step Drill
1 x 3/16-7/8 Step Drill
1 x 1/4-3/4 Step Drill
1 x 1/8-1/2 Step Drill
1 x 3/16-1/2 Step Drill
1 x Aluminum Box

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967090 - 0193900554461E - 0313408132455E - 0143887198924E - 0265085608623E - 0353349525715E - 0184584133050E - 0303811399620E - 0313464245616E - 0353397725728E
~~price/$31.99~~
~~off/-42%~~
~~size/set 6 pcs~~