FOUR SQUARES SHANK HAMMER DRILL BITS　

　

1. Machined from chrome steel fitted with carbide insert brazed at a very high temperture to withstand severe heating when drilling

hard materials, L-shaped flute profile improves dust discharge sand blasted surface. Other industrial surface finish available.

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

3. Sizes: 6.0-30.0mm; Total Length: 120-505mm

4. Can be used with  * HITACHI VR16, VRV16, VRT22, VRT22A, *MINDONG HITACHI DH22, DH22V, DH22VA

　

     Diameter Flute Length Overall Length      Diameter Flute Length Overall Length
SIZE(mm) (mm) (mm) SIZE(mm) (mm) (mm)
6 50 110 14 250 310
6 100 160 16 200 260
8 100 160 16 250 310
9 150 210 18 150 210
10 50 110 18 200 260
10 200 260 18 250 310
10 250 310 20 150 210
12 100 160 20 200 260
12 150 210 20 250 310
12 200 260 22 250 310
12 250 310 25 200 260
14 150 210 25 250 310
14 200 260