QL80 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 QL80 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 200mm 7 7/8″
Number of Splines 16
Height of Foot Valve Above Strike Face 50.8mm 2.000″
Length of Shank 332mm 13.05″
Bearing Surface Diameter 117.85mm 4.640″
Mincon DTH Hammer(s) MP80
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.
200 7 7/8 Concave 77QL80C30 10 – 3/4″ 6 – 3/4″ 7 – 3/4″ 2 49 108
203 8 Flat 80QL80F30 10 – 3/4″ 4 – 3/4″ 8 – 5/8″ 2 49 108
203 8 Concave 80QL80C30 10 – 3/4″ 6 – 3/4″ 4-3/4″ / 4-5/8″ 2 49 108
203 8 Concave 80QL80C39 9 – 3/4″ 6 – 3/4″ 6 – 3/4″ 3 49 108
203 8 Convex 80QL80V39 9 – 3/4″ 6 – 3/4″ 6 – 3/4″ 3 49 108
210 8 1/4 Concave 82QL80C30 10 – 3/4″ 4 – 3/4″ 4-3/4″ / 4-5/8″ 2 50.8 112
210 8 1/4 Concave 82QL80C39 9 – 3/4″ 6 – 3/4″ 6 – 3/4″ 3 50.8 112
216 8 1/2 Concave 84QL80C332 12 – 3/4″ 8 – 3/4″ 8 – 3/4″ 3 52.2 115
216 8 1/2 Flat 84QL80F30 10 – 3/4″ 8 – 3/4″ 8 – 3/4″ 2 52.2 115
219 8 5/8 Concave 85QL80C30 10 – 3/4″ 6 – 3/4″ 4-3/4″ / 6-5/8″ 2 52.7 116
222 8 3/4 Concave 86QL80C333 10 – 3/4″ 8 – 3/4″ 8 – 3/4″ 2 53.6 118
225 8 7/8 Concave 87QL80C32D 12 – 3/4″ 6 – 3/4″ 8 – 3/4″ 2 54.9 121
225 8 7/8 Convex 87QL80V30 10 – 3/4″ 6 – 3/4″ 10 – 3/4″ 2 54.9 121
229 9 Concave 90QL80C32 12 – 3/4″ 9 – 3/4″ 9 – 3/4″ 3 53.6 118
235 9 1/4 Concave 92QL80C30 10 – 3/4″ 6 – 3/4″ 4-3/4″ / 6-5/8″ 2 56.3 124
235 9 1/4 Concave 92QL80C32 12 – 3/4″ 9 – 3/4″ 9 – 3/4″ 3 56.3 124
241 9 1/2 Concave 94QL80C32 12 – 3/4″ 9 – 3/4″ 13 – 3/4″ 3 59.5 131
241 9 1/2 Convex 94QL80V32 12 – 3/4″ 9 – 3/4″ 14 – 3/4″ 3 59.5 131
248 9 3/4 Concave 96QL80C30 10 – 3/4″ 6 – 3/4″ 4-3/4″ / 6-5/8″ 2 62.2 137
248 9.75 Concave 96QL80C32 12 – 3/4″ 6 – 3/4″ 13 – 3/4″ 3 62.2 137
251 9.875 Concave 97QL80C332 12 – 3/4″ 9 – 3/4″ 13 – 3/4″ 3 64.9 143
254 10 Concave 10QL80C332 12 – 3/4″ 9 – 3/4″ 13 – 3/4″ 3 65.8 145
254 10 Flat 10QL80F32 12 – 3/4″ 6 – 3/4″ 13 – 3/4″ 3 65.8 145
260 10 1/4 Concave 102QL80C30 10 – 3/4″ 6 – 3/4″ 4-3/4″ / 6-5/8″ 2 67.6 149
260 10 1/2 Concave 104QL80C30 10 – 3/4″ 6 – 3/4″ 6-3/4″ / 6-5/8″ 2 69 152
270 10 5/8 Concave 105QL80C32 12 – 3/4″ 9 – 3/4″ 14 – 3/4″ 3 69.5 153
273 10.75 Concave 106QL80C30 10 – 3/4″ 6 – 3/4″ 8-3/4″ / 6-5/8″ 2 70.4 155
279 11 Concave 11QL80C332 12 – 3/4″ 6 – 3/4″ 15 – 3/4″ 3 71.7 158
286 11 1/4 Concave 112QL80C32 12 – 3/4″ 6 – 3/4″ 15 – 3/4″ 3 73.1 161
292 11 1/2 Concave 114QL80C32 12 – 3/4″ 6 – 3/4″ 19 – 3/4″ 3 74.9 165
298 11 3/4 Concave 116QL80C32 12 – 3/4″ 6 – 3/4″
Documents

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