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Product description
PDC Concave Bit is a full-scale drilling bit, mainly be used in construction ,mining, geology, coal, water conservancy and hydropower, highway, high speed railway and bridge etc.
Standard Sizes for Immediate Availability: 2" to 8 1/2" (51mm to 215.9mm)
Other sizes available upon request.
|
Diameter |
Wings |
|
|
mm |
inch |
|
|
51 |
2” |
3 |
|
65 |
2 1/2” |
3 |
|
76 |
3” |
3 |
|
89 |
3 1/2” |
3 |
|
92 |
3 5/8” |
3 / 4 |
|
95 |
3 3/4” |
3 / 4 |
|
98 |
3 7/8” |
3 / 4 |
|
102 |
4” |
3 / 4 |
|
108 |
4 1/4” |
3 / 4 |
|
114 |
4 1/2” |
3 / 4 |
|
127 |
5” |
3 / 4 |
|
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