SD 12

Head Designs - Flat Face
Flat Face
Alternative design for all rock conditions especially fractured and fissured rocks and changing formations.
Head Designs - Concave
Concave
Alternative design for all rock conditions particularly deep hole drilling can improve hole alignment as a result of inverted pilot.
Head Designs - Convex
Convex
Strong design for all conditions especially hard abrasive rock.Good balance of fast drilling and long service life.
Inserts Types - Ballistic Inserts
Ballistic Inserts
Suitable for soft and medium compact low abrasive rocks producing large cuttings. Not suitable for badly fractured rocks.
Inserts Types - Domed Inserts
Domed Inserts
Strong rugged shape for high performance and good service life in all conditions particularly suitable for very hard abrasive rocks and deep hole drilling.
Inserts Types - Domed Inserts
Semi-Ballistic Inserts
Suitable for all soft and medium rock conditions including fractured and fissured rocks.

DRILL BITS
Bit
Diameter
Face
Buttons
Over
Weight
 
Part No
mm
inch
Design
Type
Qty/Dia
Size
(kg)
Hammer - MACH 120
Hammer - MACH 122
650874
300
11 7/8
Convex
Domed
29 x 20 mm
 
138
 
650383
311
12 1/4
Concave
Domed
31 x 20 mm
 
133.5
 
650988
381
15
Concave
Domed
65 x 20 mm D / 18 x 16 mm W
 
208
 
653138
406
16
Concave
Domed
74 x 20 mm D / 18 x 16 mm W
 
210
 
650376
445
17 1/2
Concave
Domed
79 x 20 mm
Y
245
 
 
AVAILABLE SHANKS
  SD 10
  QL 120
  SD 450
  SD 5
  SD 6
  SD 8
 
 
  MD 3.5
  QL 50
  QL 60
  QL 80
  SD 12