SD8 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 SD8 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 8
Height of Foot Valve Above Strike Face 57.1mm 2.250"
Length of Shank 322mm 12.66"
Bearing Surface Diameter N/A
Mincon DTH Hammer(s) 8DHSD
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 77I380C30 10 - 3/4" 6 - 3/4" 7 - 3/4" 2 49 108
203 8" Flat 80I380F30 10 - 3/4" 4 - 3/4" 8 - 5/8" 2 49 108
203 8" Concave 80I380C30 10 - 3/4" 6 - 3/4" 4-3/4" / 4-5/8" 2 49 108
203 8" Concave 80I380C39 9 - 3/4" 6 - 3/4" 6 - 3/4" 3 49 108
203 8" Convex 80I380V39 9 - 3/4" 6 - 3/4" 6 - 3/4" 3 49 108
210 8 1/4" Concave 82I380C30 10 - 3/4" 4 - 3/4" 4-3/4" / 4-5/8" 2 50.8 112
210 8 1/4" Concave 82I380C39 9 - 3/4" 6 - 3/4" 6 - 3/4" 3 50.8 112
216 8 ½" Concave 84I380C332 12 - 3/4" 8 - 3/4" 8 - 3/4" 3 52.2 115
216 8 ½" Flat 84I380F30 10 - 3/4" 8 - 3/4" 8 - 3/4" 2 52.2 115
219 8 5/8" Concave 85I380C30 10 - 3/4" 6 - 3/4" 4-3/4" / 6-5/8" 2 52.7 116
222 8 ¾" Concave 86I380C333 10 - 3/4" 8 - 3/4" 8 - 3/4" 2 53.6 118
225 8 7/8" Concave 87I380C32D 12 - 3/4" 6 - 3/4" 8 - 3/4" 2 54.9 121
225 8 7/8" Convex 87I380V30 10 - 3/4" 6 - 3/4" 10 - 3/4" 2 54.9 121
229 9" Concave 90I380C32 12 - 3/4" 9 - 3/4" 9 - 3/4" 3 53.6 118
235 9 1/4" Concave 92I380C30 10 - 3/4" 6 - 3/4" 4-3/4" / 6-5/8" 2 56.3 124
235 9 1/4" Concave 92I380C32 12 - 3/4" 9 - 3/4" 9 - 3/4" 3 56.3 124
241 9 ½" Concave 94I380C32 12 - 3/4" 9 - 3/4" 13 - 3/4" 3 59.5 131
241 9 1/2" Convex 94I380V32 12 - 3/4" 9 - 3/4" 14 - 3/4" 3 59.5 131
248 9 3/4" Concave 96I380C30 10 - 3/4" 6 - 3/4" 4-3/4" / 6-5/8" 2 62.2 137
248 9 3/4" Concave 96I380C32 12 - 3/4" 6 - 3/4" 13 - 3/4" 3 62.2 137
251 9 7/8" Concave 97I380C332 12 - 3/4" 9 - 3/4" 13 - 3/4" 3 64.9 143
254 10" Concave 10I380C332 12 - 3/4" 9 - 3/4" 13 - 3/4" 3 65.8 145
254 10" Flat 10I380F32 12 - 3/4" 6 - 3/4" 13 - 3/4" 3 65.8 145
260 10 1/4" Concave 102I380C30 10 - 3/4" 6 - 3/4" 4-3/4" / 6-5/8" 2 67.6 149
260 10 1/2" Concave 104I380C30 10 - 3/4" 6 - 3/4" 6-3/4" / 6-5/8" 2 69 152
270 10 5/8" Concave 105I380C32 12 - 3/4" 9 - 3/4" 14 - 3/4" 3 69.5 153
273 10.75 Concave 106I380C30 10 - 3/4" 6 - 3/4" 8-3/4" / 6-5/8" 2 70.4 155
279 11" Concave 11I380C332 12 - 3/4" 6 - 3/4" 15 - 3/4" 3 71.7 158
286 11 1/4" Concave 112I380C32 12 - 3/4" 6 - 3/4" 15 - 3/4" 3 73.1 161
292 11 ½" Concave 114I380C32 12 - 3/4" 6 - 3/4" 19 - 3/4" 3 74.9 165
298 11 3/4 Concave 116I380C32 12 - 3/4" 6 - 3/4" 19 - 3/4" 3 75.8 167
302 11 7/8"
Documents

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