MC70 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 MC51 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 Size191mm7.5″
Number of Splines14
Height of Foot Valve Above Strike FaceN/A
Length of Shank255mm10.04″
Bearing Surface DiameterN/A
Mincon DTH Hammer(s)MC70
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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.
1907 1/2Concave74MC70C399 – 3/4″6 – 3/4″5- 3/4″349108
2007.875Concave77MC70C399 – 3/4″6 – 3/4″5- 3/4″349108
2038Concave80MC70C399 – 3/4″6 – 3/4″6 – 3/4″349108
2038Convex80MC70V3212 – 3/4″6 – 3/4″7 – 3/4″349108
2108 1/4Concave82MC70C399 – 3/4″6 – 3/4″6 – 3/4″350.8112
2168 1/2Concave84MC70C33212 – 3/4″8 – 3/4″8 – 3/4″339.587
2038 1/2Convex84MC70V3212 – 3/4″6 – 3/4″7 – 3/4″349108
2228 3/4Concave86MC70C33310 – 3/4″8 – 3/4″8 – 3/4″253.6118
2258 7/8Concave87MC70C32D12 – 3/4″6 – 3/4″8 – 3/4″254.9121
2258 7/8Convex87MC70V3212 – 3/4″6 – 3/4″10 – 3/4″254.9121
2299Concave90MC70C3212 – 3/4″9 – 3/4″9 – 3/4″353.6118
2359 1/4Concave92MC70C3212 – 3/4″9 – 3/4″9 – 3/4″356.3124
2419 1/2Concave94MC70C3212 – 3/4″9 – 3/4″13 – 3/4″359.5131
2419 1/2Convex94MC70V3212 – 3/4″9 – 3/4″14 – 3/4″359.5131
2489 3/4Concave96MC70C3212 – 3/4″6 – 3/4″13 – 3/4″362.2137
2519 7/8Concave97MC70C33212 – 3/4″9 – 3/4″13 – 3/4″364.9143
25410Concave10MC70C33212 – 3/4″9 – 3/4″13 – 3/4″361.3135
25410Flat10MC70F3212 – 3/4″6 – 3/4″13 – 3/4″361.3135