Spline Shank Hammer drill bits

Machine from chrome steel fitted with carbide insert brazed at a very high temperature to withstand severe hearting

     when drilling hard materials. L-shaped flute profile immproves.

For drilling in granite, concrete, stone, masonry,tiles and marble.

Finish: Sandblasted, Zine-coated, Ni-coated

Diameter:  10-38mm(1-5/32" to 1-1/2"), length: 280-530mm

　

　

2 Edges
DIAMETER
FLUTE LENGTH
OVERALL LENGTH
12
15/32
180
300
12
15/32
280
400
14
9/16
180
300
14
9/16
280
400
16
5/8
180
300
16
5/8
280
400
4 Edges
16
5/8
180
300
16
5/8
280
400
16
5/8
430
550
18
23/32
280
400
18
23/32
430
550
20
25/32
280
400
20
25/32
430
550
22
7/8
280
400
22
7/8
430
550
25
1
280
400
25
1
430
550
28
1-1/8
280
400
28
1-1/8
430
550
30
1-3/16
280
400
30
1-3/16
430
550
32
1-1/4
280
400
32
1-1/4
430
550
35
1-3/8
280
400
35
1-3/8
430
550
38
1-1/2
280
400
38
1-1/2
430
550