SD4 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 SD4 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 Size105mm4 1/8″
Number of Splines8
Height of Foot Valve Above Strike Face51.7mm2.035″
Length of Shank260mm10.25″
Bearing Surface DiameterN/A
Mincon DTH Hammer(s)4HRSD
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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.
1024Concave403415C188 – 1/2″4 – 1/2″2 – 1/2″29.521
1054.125Concave413415C188 – 1/2″4 – 1/2″2 – 1/2″29.521
1084.25Concave423415C188 – 1/2″4 – 1/2″2 – 1/2″29.521
1154.5Concave443415C988 – 9/16″4 – 1/2″3 – 1/2″210.423
1154 1/2Flat Face443415F988 – 9/16″7 – 1/2″210.423
1204 3/4Concave463415C988 – 9/16″4 – 1/2″3 – 1/2″211.425
1204 3/4Flat Face463415F988 – 9/16″7 – 1/2″211.425
1244 7/8Concave473415C988 – 9/16″4 – 1/2″3 – 1/2″211.826
1275Concave503415C988 – 9/16″4 – 1/2″3 – 1/2″212.327
1305 1/8Concave513415C988 – 9/16″4 – 1/2″3 – 1/2″212.728
1335 1/4Concave523415C988 – 9/16″4 – 1/2″3 – 1/2″213.229