TD40 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 TD40 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 Size110mm4 3/8″
Number of Splines12
Height of Foot Valve Above Strike Face57.3mm2.256″
Length of Shank209mm8.23″
Bearing Surface DiameterN/A
Mincon DTH Hammer(s)4HRTD
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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.
1084 1/4Concave42TD40C188 – 1/2″4 – 1/2″2 – 1/2″29.120
1154.5Concave44TD40C988 – 9/16″4 – 1/2″3 – 1/2″21022
1154.5Flat Face44TD40F988 – 9/16″7 – 1/2″21022
1154.5Convex44TD40V988 – 9/16″8 – 1/2″21022
1204 3/4Concave46TD40C988 – 9/16″4 – 1/2″3 – 1/2″210.924
1204 3/4Flat Face46TD40F988 – 9/16″7 – 1/2″210.924
1204 3/4Convex46TD40V988 – 9/16″8 – 1/2″210.924
1244 7/8Concave47TD40C988 – 9/16″4 – 1/2″3 – 1/2″211.425
1275Concave50TD40C988 – 9/16″4 – 1/2″3 – 1/2″211.826
1275Convex50TD40V999 – 9/16″5 – 1/2″4 – 1/2″311.826
1305 1/8Concave51TD40C988 – 9/16″4 – 1/2″3 – 1/2″212.327
1335 1/4Concave52TD40C988 – 9/16″4 – 1/2″3 – 1/2″212.728