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 SD12 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

SpecificationsMetricImperial
Minimum Hole Size302mm11 7/8″
Number of Splines8
Height of Foot Valve Above Strike Face43.2mm1.700″
Length of Shank470mm7.12″
Bearing Surface DiameterN/A
Mincon DTH Hammer(s)XP120SD
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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
BallisticB
Semi-Ballistic (Parabolic)P
Conical (Spike)S
Dome PCDY
DiameterFace TypePart NumberNo. x Button Dia (inch)Flushing holesWeight Approx.
mminchOuterInnerFrontKgs.Lbs.
30211 7/8Concave117SD12C3212 – 3/4″6 – 3/4″19- 3/4″3171.2377
30512Concave12SD12C3212 – 3/4″6 – 3/4″19- 3/4″3171.6378
30512Flat12SD12F3212 – 3/4″6 – 3/4″19- 3/4″3171.6378
31112.25Concave122SD12C3212 – 3/4″6 – 3/4″19- 3/4″3172.1379
31112 1/4Flat122SD12F3212 – 3/4″6 – 3/4″19- 3/4″3172.1379
31712 1/2Concave124SD12C3212 – 3/4″6 – 3/4″19- 3/4″3174.8385
31712 1/2Flat124SD12F3212 – 3/4″6 – 3/4″19- 3/4″3174.8385
32712 7/8Concave127SD12C3212 – 3/4″6 – 3/4″21- 3/4″3177.1390
32712 7/8FF127SD12F3212 – 3/4″6 – 3/4″21- 3/4″3177.1390
33013Concave13SD12C3212 – 3/4″6 – 3/4″19- 3/4″3181.1399
33013Flat13SD12F3212 – 3/4″6 – 3/4″19- 3/4″3181.1399
34913 3/4Concave136SD12C3212 – 3/4″9 – 3/4″34 – 3/4″3187.5413
34913 3/4Flat136SD12F3212 – 3/4″9 – 3/4″34 – 3/4″3187.5413
35514Concave14SD12C3212 – 3/4″9 – 3/4″34 – 3/4″3190.7420
35514Flat14SD12F3212 – 3/4″9 – 3/4″34 – 3/4″3190.7420
38115Concave15SD12C3515 – 3/4″12 – 3/4″35 – 3/4″3200.2441
38115Flat15SD12F3515 – 3/4″12 – 3/4″35 – 3/4″3200.2441
39415 1/2Concave154SD12C3515 – 3/4″12 – 3/4″35 – 3/4″3202.9447
39415 1/2Flat154SD12F3515 – 3/4″12 – 3/4″35 – 3/4″3202.9447
40015.75Concave156SD12C3515 – 3/4″12 – 3/4″35 – 3/4″3205.2452
40015.75Flat156SD12F3515 – 3/4″12 – 3/4″35 – 3/4″3205.2452
40616Concave16SD12C3515 – 3/4″12 – 3/4″35 – 3/4″3208.8460
40616Flat16SD12F3515 – 3/4″12 – 3/4″35 – 3/4″3208.8460
41916 1/2Concave164SD12C3515 – 3/4″12 – 3/4″35 – 3/4″3212.9469
41916 1/2Flat164SD12F3515 – 3/4″12 – 3/4″35 – 3/4″3212.9469
43217Concave17SD12C3818 – 3/4″12 – 3/4″51- 3/4″3217.5479
43217Flat17SD12F3818 – 3/4″12 – 3/4″51- 3/4″3217.5479
43817.25Concave172SD12C3818 – 3/4″12 – 3/4″51- 3/4″3222489
44417 1/2Concave174SD12C3818 – 3/4″12 – 3/4″51- 3/4″3224.7495
44417 1/2Flat174SD12F3818 – 3/4″12 – 3/4″51- 3/4″3224.7495
45718Concave18SD12C3818 – 3/4″12 – 3/4″