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.
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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.

For more information:

+40 314 253 800
info@romned.ro

Ron van Dam
CEO

Cerere oferta

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

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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.

Carbide Insert Codes
Dome (Spherical) D
Ballistic B
Semi-Ballistic (Parabolic) P
Conical (Spike) S
Dome PCD Y
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″
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