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Metric | Imperial
Studio Shot
Bits
305 mm (12 in) Standard Bit
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Studio Shot
Bits
102 mm (4 in) Standard Bit
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Studio Shot
Bits
152 mm (6 in) Rock Drill Head
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Type
Standard Bit
Standard Bit
Rock Head Bit
Overall Length
50.3 in 1278 mm
48 in 1219 mm
9.4 in 238 mm
Weight
101.4 lb 46 kg
39.7 lb 18 kg
23.4 lb 10.6 kg
Cut Diameter
12 in 305 mm
4 in 102 mm
7.5 in 190 mm
Compatible Bit Extension
305, 610, 915, 1829 mm (12, 24, 36, 72 in)
305, 610, 915, 1829 mm (12, 24, 36, 72 in)
Number of Teeth
4
2
8