MC81 Shank

Mincon has a comprehensive range of DTH Drill Bits to suit all types of applications and drilling processes. There are a number of different drill bit head designs for the MC81 shank and Mincon Sales Technicians can work with you to determine the ideal design for your application.

Key Features and Benefits

  • Manufactured from premium alloy steels. 
  • Proprietary heat treatment processes to provide maximum service life and durability.
  • Compressive residual stress layer added to improve metal fatigue resistance.
  • Specifications
  • Drill Bits
  • Documents
Specifications
Specifications Metric Imperial
Minimum Hole Size 200mm 7 7/8"
Number of Splines 16
Height of Foot Valve Above Strike Face N/A
Length of Shank 220 8.87"
Bearing Surface Diameter N/A
Mincon DTH Hammer(s) MC80
Drill Bits

Note: The Part Numbers below require the Carbide Insert type code to be added on the end to complete them. For a combination of carbide inserts use the gauge row code first and then the face code.

Diameter Face Type Part Number No. x Button Dia (inch) Flushing holes Weight Approx.
mm inch Outer Inner Front Kgs. Lbs.
200 7 7/8 Concave 77MC81C30 10 - 3/4" 6 - 3/4" 7 - 3/4" 2 49 108
203 8 Flat 80MC81F30 10 - 3/4" 4 - 3/4" 8 - 5/8" 2 49 108
203 8 Concave 80MC81C30 10 - 3/4" 6 - 3/4" 4-3/4" / 4-5/8" 2 49 108
203 8 Concave 80MC81C39 9 - 3/4" 6 - 3/4" 6 - 3/4" 3 49 108
203 8 Convex 80MC81V39 9 - 3/4" 6 - 3/4" 6 - 3/4" 3 49 108
210 8 1/4 Concave 82MC81C30 10 - 3/4" 4 - 3/4" 4-3/4" / 4-5/8" 2 50.8 112
210 8 1/4 Concave 82MC81C39 9 - 3/4" 6 - 3/4" 6 - 3/4" 3 50.8 112
216 8 1/2 Concave 84MC81C332 12 - 3/4" 8 - 3/4" 8 - 3/4" 3 52.2 115
216 8 1/2 Flat 84MC81F30 10 - 3/4" 8 - 3/4" 8 - 3/4" 2 52.2 115
219 8 5/8 Concave 85MC81C30 10 - 3/4" 6 - 3/4" 4-3/4" / 6-5/8" 2 52.7 116
222 8 3/4 Concave 86MC81C333 10 - 3/4" 8 - 3/4" 8 - 3/4" 2 53.6 118
225 8 7/8 Concave 87MC81C32D 12 - 3/4" 6 - 3/4" 8 - 3/4" 2 54.9 121
225 8 7/8 Convex 87MC81V30 10 - 3/4" 6 - 3/4" 10 - 3/4" 2 54.9 121
229 9 Concave 90MC81C32 12 - 3/4" 9 - 3/4" 9 - 3/4" 3 53.6 118
235 9 1/4 Concave 92MC81C30 10 - 3/4" 6 - 3/4" 4-3/4" / 6-5/8" 2 56.3 124
235 9 1/4 Concave 92MC81C32 12 - 3/4" 9 - 3/4" 9 - 3/4" 3 56.3 124
241 9 1/2 Concave 94MC81C32 12 - 3/4" 9 - 3/4" 13 - 3/4" 3 59.5 131
241 9 1/2 Convex 94MC81V32 12 - 3/4" 9 - 3/4" 14 - 3/4" 3 59.5 131
248 9 3/4 Concave 96MC81C30 10 - 3/4" 6 - 3/4" 4-3/4" / 6-5/8" 2 62.2 137
248 9.75 Concave 96MC81C32 12 - 3/4" 6 - 3/4" 13 - 3/4" 3 62.2 137
251 9.875 Concave 97MC81C332 12 - 3/4" 9 - 3/4" 13 - 3/4" 3 64.9 143
254 10 Concave 10MC81C332 12 - 3/4" 9 - 3/4" 13 - 3/4" 3 65.8 145
254 10 Flat 10MC81F32 12 - 3/4" 6 - 3/4" 13 - 3/4" 3 65.8 145
260 10 1/4 Concave 102MC81C30 10 - 3/4" 6 - 3/4" 4-3/4" / 6-5/8" 2 67.6 149
260 10 1/2 Concave 104MC81C30 10 - 3/4" 6 - 3/4" 6-3/4" / 6-5/8" 2 69 152
270 10 5/8 Concave 105MC81C32 12 - 3/4" 9 - 3/4" 14 - 3/4" 3 69.5 153
273 10.75 Concave 106MC81C30 10 - 3/4" 6 - 3/4" 8-3/4" / 6-5/8" 2 70.4 155
279 11 Concave 11MC81C332 12 - 3/4" 6 - 3/4" 15 - 3/4" 3 71.7 158
286 11 1/4 Concave 112MC81C32 12 - 3/4" 6 - 3/4" 15 - 3/4" 3 73.1 161
292 11 1/2 Concave 114MC81C32 12 - 3/4" 6 - 3/4" 19 - 3/4" 3 74.9 165
298 11 3/4 Concave 116MC81C32 12 - 3/4" 6 - 3/4"
Documents

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