PDC Concave Bit

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 12"  (51mm to 215.9mm)
other sizes available upon request
diameter wings
mm inch
51 2” 3
65 2 12” 3
76 3” 3
89 3 12” 3
92 3 58” 3 4
95 3 34” 3 4
98 3 78” 3 4
102 4” 3 4
108 4 14” 3 4
114 4 12” 3 4
127 5” 3 4
133 5 14” 3 4
146 5 34” 3 4
152 6” 3 4
171 6 34” 3 4 5
191 7 12” 3 4 5
216 8 12” 4 5 6