QL120 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.
image

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 Splines16
Height of Foot Valve Above Strike Face70.4mm2.770″
Length of Shank180.9mm7.12″
Bearing Surface Diameter187.27mm7.373″
Mincon DTH Hammer(s)XP120QL
image

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 7/8″Concave117QL120C3212 – 3/4″6 – 3/4″19- 3/4″3181.1399
30512Concave12QL120C3212 – 3/4″6 – 3/4″19- 3/4″3184.3406
30512Flat12QL120F3212 – 3/4″6 – 3/4″19- 3/4″3184.3406
31112.25Concave122QL120C3212 – 3/4″6 – 3/4″19- 3/4″3189.3417
31112 1/4Flat122QL120F3212 – 3/4″6 – 3/4″19- 3/4″3189.3417
31712 1/2Concave124QL120C3212 – 3/4″6 – 3/4″19- 3/4″3190.2419
31712 1/2Flat124QL120F3212 – 3/4″6 – 3/4″19- 3/4″3190.2419
32712 7/8Concave127QL120C3212 – 3/4″6 – 3/4″21- 3/4″3193.9427
32712 7/8FF127QL120F3212 – 3/4″6 – 3/4″21- 3/4″3193.9427
33013Concave13QL120C3212 – 3/4″6 – 3/4″19- 3/4″3195.7431
33013Flat13QL120F3212 – 3/4″6 – 3/4″19- 3/4″3195.7431
34913 3/4Concave136QL120C3212 – 3/4″9 – 3/4″34 – 3/4″3203.8449
34913 3/4Flat136QL120F3212 – 3/4″9 – 3/4″34 – 3/4″3203.8449
35514Concave14QL120C3212 – 3/4″9 – 3/4″34 – 3/4″3222.9491
35514Flat14QL120F3212 – 3/4″9 – 3/4″34 – 3/4″3222.9491
38115Concave15QL120C3515 – 3/4″12 – 3/4″35 – 3/4″3236.5521
38115Flat15QL120F3515 – 3/4″12 – 3/4″35 – 3/4″3236.5521
39415 1/2Concave154QL120C3515 – 3/4″12 – 3/4″35 – 3/4″3244.3538
39415 1/2Flat154QL120F3515 – 3/4″12 – 3/4″35 – 3/4″3244.3538
40015.75Concave156QL120C3515 – 3/4″12 – 3/4″35 – 3/4″3246.1542
40015.75Flat156QL120F3515 – 3/4″12 – 3/4″35 – 3/4″3246.1542
40616Concave16QL120C3515 – 3/4″12 – 3/4″35 – 3/4″3248.3547
40616Flat16QL120F3515 – 3/4″12 – 3/4″35 – 3/4″3248.3547
41916 1/2Concave164QL120C3515 – 3/4″12 – 3/4″35 – 3/4″3251.1553
41916 1/2Flat164QL120F3515 – 3/4″12 – 3/4″35 – 3/4″3251.1553
43217Concave17QL120C3818 – 3/4″12 – 3/4″51- 3/4″3280.6618
43217Flat17QL120F3818 – 3/4″12 – 3/4″51- 3/4″3280.6618
43817.25Concave172QL120C3818 – 3/4″12 – 3/4″51- 3/4″3281.9621
44417 1/2Concave174QL120C3818 – 3/4″12 – 3/4″51- 3/4″3283.3624
44417 1/2Flat174QL120F3818 – 3/4″12 – 3/4″51- 3/4″3283.3624
45718Concave18QL120C3818 – 3/4″12 – 3/4″