DHD340A 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 DHD340A shank and Mincon Sales Technicians can work with you to determine the ideal design for your application.

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.
  • Specifications
  • Drill Bits
  • Documents
Specifications
Specifications Metric Imperial
Minimum Hole Size 105mm 4 1/8"
Number of Splines 8
Height of Foot Valve Above Strike Face 55.8mm 2.200"
Length of Shank 210mm 8.25"
Bearing Surface Diameter N/A
Mincon DTH Hammer(s) 4HR
Drill Bits

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.

Diameter Face Type Part Number No. x Button Dia (inch) Flushing holes Weight Approx.
mm inch Outer Inner Front Kgs. Lbs.
102 4 Concave 40340AC18 8 - 1/2" 4 - 1/2" 2 - 1/2" 2 9.1 20
105 4.125 Concave 41340AC18 8 - 1/2" 4 - 1/2" 2 - 1/2" 2 9.1 20
108 4.25 Concave 42340AC18 8 - 1/2" 4 - 1/2" 2 - 1/2" 2 9.1 20
115 4.5 Concave 44340AC98 8 - 9/16" 4 - 1/2" 3 - 1/2" 2 10 22
115 4 1/2 Flat Face 44340AF98 8 - 9/16" 7 - 1/2" 2 10 22
115 4 1/2 Convex 44340AV98 8 - 9/16" 8 - 1/2" 2 10 22
120 4 3/4 Concave 46340AC98 8 - 9/16" 4 - 1/2" 3 - 1/2" 2 10.9 24
120 4 3/4 Flat Face 46340AF98 8 - 9/16" 7 - 1/2" 2 10.9 24
120 4 3/4 Convex 46340AV98 8 - 9/16" 8 - 1/2" 2 10.9 24
124 4 7/8 Concave 47340AC98 8 - 9/16" 4 - 1/2" 3 - 1/2" 2 11.4 25
127 5 Concave 50340AC98 8 - 9/16" 4 - 1/2" 3 - 1/2" 2 11.8 26
127 5 Convex 50340AV99 9 - 9/16" 5 - 1/2" 4 - 1/2" 3 11.8 26
130 5 1/8 Concave 51340AC98 8 - 9/16" 4 - 1/2" 3 - 1/2" 2 12.3 27
133 5 1/4 Concave 52340AC98 8 - 9/16" 4 - 1/2" 3 - 1/2" 2 12.7 28
Documents

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