DHD350R 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 DHD350R 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 Size130mm5″
Number of Splines8
Height of Foot Valve Above Strike Face66.0mm2.600″
Length of Shank260mm10.24″
Bearing Surface DiameterN/A
Mincon DTH Hammer(s)55BH, 5DH
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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.
1275Concave50350RC588 – 5/8″4 – 1/2″3 – 1/2″215.935
1305.125Concave51350RC588 – 5/8″4 – 1/2″3 – 1/2″215.935
1335.25Concave52350RC588 – 5/8″4 – 9/16″3 – 9/16″216.336
1405.5Concave54350RC588 – 5/8″4- 9/16″4- 9/16″217.338
1405 1/2Flat Face54350RF588 – 5/8″7 – 5/8″217.338
1405 1/2Convex54350RV599 – 5/8″6- 9/16″4- 9/16″317.338
1465 3/4Concave56350RC588 – 5/8″4- 5/8″4- 5/8″217.739
1465 3/4Flat Face56350RF588 – 5/8″8 – 5/8″217.739
1405 3/4Convex56350RV599 – 5/8″3 – 5/8″5 – 5/8″317.739
1495 7/8Concave60350RC588 – 5/8″4 – 5/8″4 – 5/8″218.641
1526Concave60350RC588 – 5/8″4 – 5/8″4 – 5/8″218.641