drill bit

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  • Product description
  • Technical Parameters
  • Inquiry
 1. Bit face designs: Concave, Convex, Flat face; Parabolic, Spherical Button design.

2. Bit shank identification chart: DHD, SD, QL, M System and so on.

 

Model

Dia. Of bit mm(inch)

Weight (kg)

3''

DHD 3.5

90mm-105mm(3 1/2-4 1/8)

4.5-5.5

M 30

90mm-105mm(3 1/2-4 1/8)

4.7-5.6

4''

DHD 340

110mm-133mm(4 3/8-5 1/4)

9.3-15.0

SD 4

110mm-133mm(4 3/8-5 1/4)

9.5-15.3

QL 40

110mm-133mm(4 3/8-5 1/4)

9.3-15.0

M 40

110mm-133mm(4 3/8-5 1/4)

6.4-8.3

5''

DHD 350

130mm-152mm(5 1/8-6)

15.0-20.0

SD 5

130mm-152mm(5 1/8-6)

14.0-18.0

QL 50

130mm-152mm(5 1/8-6)

14.5-16.5

M 50

130mm-152mm(5 1/8-6)

13.9-17.1

6''

DHD 360

152mm-203mm(6-8)

26.0-36.0

SD 6

152mm-203mm(6-8)

26.8-35.0

QL 60

152mm-203mm(6-8)

25.0-32.0

M 60

152mm-203mm(6-8)

21.0-29.1

8''

DHD 360

200mm-305mm(7 7/8-12)

49.2-84.3

SD 6

200mm-305mm(7 7/8-12)

41.0-94.0

QL 60

200mm-305mm(7 7/8-12)

49.9-85.0

M 60

200mm-305mm(7 7/8-12)

40.8-77.0

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