SD12 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 QL120 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 302mm 11 7/8"
Number of Splines 8
Height of Foot Valve Above Strike Face 43.2mm 1.700"
Length of Shank 470mm 7.12"
Bearing Surface Diameter N/A
Mincon DTH Hammer(s) XP120SD
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.
302 11 7/8 Concave 117SD12C32 12 - 3/4" 6 - 3/4" 19- 3/4" 3 171.2 377
305 12 Concave 12SD12C32 12 - 3/4" 6 - 3/4" 19- 3/4" 3 171.6 378
305 12 Flat 12SD12F32 12 - 3/4" 6 - 3/4" 19- 3/4" 3 171.6 378
311 12.25 Concave 122SD12C32 12 - 3/4" 6 - 3/4" 19- 3/4" 3 172.1 379
311 12 1/4 Flat 122SD12F32 12 - 3/4" 6 - 3/4" 19- 3/4" 3 172.1 379
317 12 1/2 Concave 124SD12C32 12 - 3/4" 6 - 3/4" 19- 3/4" 3 174.8 385
317 12 1/2 Flat 124SD12F32 12 - 3/4" 6 - 3/4" 19- 3/4" 3 174.8 385
327 12 7/8 Concave 127SD12C32 12 - 3/4" 6 - 3/4" 21- 3/4" 3 177.1 390
327 12 7/8 FF 127SD12F32 12 - 3/4" 6 - 3/4" 21- 3/4" 3 177.1 390
330 13 Concave 13SD12C32 12 - 3/4" 6 - 3/4" 19- 3/4" 3 181.1 399
330 13 Flat 13SD12F32 12 - 3/4" 6 - 3/4" 19- 3/4" 3 181.1 399
349 13 3/4 Concave 136SD12C32 12 - 3/4" 9 - 3/4" 34 - 3/4" 3 187.5 413
349 13 3/4 Flat 136SD12F32 12 - 3/4" 9 - 3/4" 34 - 3/4" 3 187.5 413
355 14 Concave 14SD12C32 12 - 3/4" 9 - 3/4" 34 - 3/4" 3 190.7 420
355 14 Flat 14SD12F32 12 - 3/4" 9 - 3/4" 34 - 3/4" 3 190.7 420
381 15 Concave 15SD12C35 15 - 3/4" 12 - 3/4" 35 - 3/4" 3 200.2 441
381 15 Flat 15SD12F35 15 - 3/4" 12 - 3/4" 35 - 3/4" 3 200.2 441
394 15 1/2 Concave 154SD12C35 15 - 3/4" 12 - 3/4" 35 - 3/4" 3 202.9 447
394 15 1/2 Flat 154SD12F35 15 - 3/4" 12 - 3/4" 35 - 3/4" 3 202.9 447
400 15.75 Concave 156SD12C35 15 - 3/4" 12 - 3/4" 35 - 3/4" 3 205.2 452
400 15.75 Flat 156SD12F35 15 - 3/4" 12 - 3/4" 35 - 3/4" 3 205.2 452
406 16 Concave 16SD12C35 15 - 3/4" 12 - 3/4" 35 - 3/4" 3 208.8 460
406 16 Flat 16SD12F35 15 - 3/4" 12 - 3/4" 35 - 3/4" 3 208.8 460
419 16 1/2 Concave 164SD12C35 15 - 3/4" 12 - 3/4" 35 - 3/4" 3 212.9 469
419 16 1/2 Flat 164SD12F35 15 - 3/4" 12 - 3/4" 35 - 3/4" 3 212.9 469
432 17 Concave 17SD12C38 18 - 3/4" 12 - 3/4" 51- 3/4" 3 217.5 479
432 17 Flat 17SD12F38 18 - 3/4" 12 - 3/4" 51- 3/4" 3 217.5 479
438 17.25 Concave 172SD12C38 18 - 3/4" 12 - 3/4" 51- 3/4" 3 222 489
444 17 1/2 Concave 174SD12C38 18 - 3/4" 12 - 3/4" 51- 3/4" 3 224.7 495
444 17 1/2 Flat 174SD12F38 18 - 3/4" 12 - 3/4" 51- 3/4" 3 224.7 495
457 18 Concave 18SD12C38 18 - 3/4" 12 - 3/4"
Documents

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