DHD380 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 DHD380 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

Specifications Metric Imperial
Minimum Hole Size 200mm 7 7/8″
Number of Splines 10
Height of Foot Valve Above Strike Face 49.5mm 1.950″
Length of Shank 350mm 13.78″
Bearing Surface Diameter N/A
Mincon DTH Hammer(s) 8DH
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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
Ballistic B
Semi-Ballistic (Parabolic) P
Conical (Spike) S
Dome PCD Y
Diameter Face Type Part Number No. x Button Dia (inch) Flushing holes Weight Approx.
mm inch Outer Inner Front Kgs. Lbs.
200 7 7/8″ Concave 77I380C30 10 – 3/4″ 6 – 3/4″ 7 – 3/4″ 2 49 108
203 8″ Flat 80I380F30 10 – 3/4″ 4 – 3/4″ 8 – 5/8″ 2 49 108
203 8″ Concave 80I380C30 10 – 3/4″ 6 – 3/4″ 4-3/4″ / 4-5/8″ 2 49 108
203 8″ Concave 80I380C39 9 – 3/4″ 6 – 3/4″ 6 – 3/4″ 3 49 108
203 8″ Convex 80I380V39 9 – 3/4″ 6 – 3/4″ 6 – 3/4″ 3 49 108
210 8 1/4″ Concave 82I380C30 10 – 3/4″ 4 – 3/4″ 4-3/4″ / 4-5/8″ 2 50.8 112
210 8 1/4″ Concave 82I380C39 9 – 3/4″ 6 – 3/4″ 6 – 3/4″ 3 50.8 112
216 8 ½” Concave 84I380C332 12 – 3/4″ 8 – 3/4″ 8 – 3/4″ 3 52.2 115
216 8 ½” Flat 84I380F30 10 – 3/4″ 8 – 3/4″ 8 – 3/4″ 2 52.2 115
219 8 5/8″ Concave 85I380C30 10 – 3/4″ 6 – 3/4″ 4-3/4″ / 6-5/8″ 2 52.7 116
222 8 ¾” Concave 86I380C333 10 – 3/4″ 8 – 3/4″ 8 – 3/4″ 2 53.6 118
225 8 7/8″ Concave 87I380C32D 12 – 3/4″ 6 – 3/4″ 8 – 3/4″ 2 54.9 121
225 8 7/8″ Convex 87I380V30 10 – 3/4″ 6 – 3/4″ 10 – 3/4″ 2 54.9 121
229 9″ Concave 90I380C32 12 – 3/4″ 9 – 3/4″ 9 – 3/4″ 3 53.6 118
235 9 1/4″ Concave 92I380C30 10 – 3/4″ 6 – 3/4″ 4-3/4″ / 6-5/8″ 2 56.3 124
235 9 1/4″ Concave 92I380C32 12 – 3/4″ 9 – 3/4″ 9 – 3/4″ 3 56.3 124
241 9 ½” Concave 94I380C32 12 – 3/4″ 9 – 3/4″ 13 – 3/4″ 3 59.5 131
241 9 1/2″ Convex 94I380V32 12 – 3/4″ 9 – 3/4″ 14 – 3/4″ 3 59.5 131
248 9 3/4″ Concave 96I380C30 10 – 3/4″ 6 – 3/4″ 4-3/4″ / 6-5/8″ 2 62.2 137
248 9 3/4″ Concave 96I380C32 12 – 3/4″ 6 – 3/4″ 13 – 3/4″ 3 62.2 137
251 9 7/8″ Concave 97I380C332 12 – 3/4″ 9 – 3/4″ 13 – 3/4″ 3 64.9 143
254 10″ Concave 10I380C332 12 – 3/4″ 9 – 3/4″ 13 – 3/4″ 3 65.8 145
254 10″ Flat 10I380F32 12 – 3/4″ 6 – 3/4″ 13 – 3/4″ 3 65.8 145
260 10 1/4″ Concave 102I380C30 10 – 3/4″ 6 – 3/4″ 4-3/4″ / 6-5/8″ 2 67.6 149
260 10 1/2″ Concave 104I380C30 10 – 3/4″ 6 – 3/4″ 6-3/4″ / 6-5/8″ 2 69 152
270 10 5/8″ Concave 105I380C32 12 – 3/4″ 9 – 3/4″ 14 – 3/4″ 3 69.5 153
273 10.75 Concave 106I380C30 10 – 3/4″ 6 – 3/4″ 8-3/4″ / 6-5/8″ 2 70.4 155
279 11″ Concave 11I380C332 12 – 3/4″ 6 – 3/4″ 15 – 3/4″ 3 71.7 158
286 11 1/4″ Concave 112I380C32 12 – 3/4″ 6 – 3/4″ 15 – 3/4″ 3 73.1 161
292 11 ½” Concave 114I380C32 12 – 3/4″ 6 – 3/4″ 19 – 3/4″ 3 74.9 165
298 11 3/4 Concave 116I380C32 12 – 3/4″ 6 – 3/4″ 19 – 3/4″ 3 75.8 167
302 11 7/8″