• Model NO.：32mm 34mm 36mm 38mm 41mm
• Application：Stone Drilling, Coal Mining,Quarry Drilling
• Machine Type：Drilling Tool
• Advantage：Wear Resistant
• Appearance：Smooth
• Boby Type：Normal Type or Retrac Type
• Diameter：28-41mm
• Length：50-65mm
• Transport Package：Carton
• Specification：23X18X23 cm
• Trademark：D Miningwell
• Origin：Zhejiang, China
• Production Capacity：3000PCS Per Month

Taper Angle =4°46″,6 °,7°,11°,12°

Socket inside =19,22,25mm

mm

mm

pcs

kg

28

50

4

0.2

29

50

4 5 6 7

0.2

30

50 80

5 6 7 8

0.2 0.3

32

50 55 71 80

6 7 8 9

0.2 0.22 0.3

33

50 55 71 80

6 7 9

0.2 0.3 0.36

34

50 55

7 8

0.22 0.3

35

55 71 80

4 5 6 7

0.22 0.3 0.37

36

50 55

7

0.3 0.35

37

55

4 6 7

0.3

38

50 55

4 6 7

0.25 0.35

40

50 55

7

0.35

41

50 55 71

4 5

0.35

42

50

6 7

0.4

45

50 55 71

6 7 8 9

0.5