Shenyang ABT Drilling Equipment Co., Ltd.
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11° Tapered Drill Bits

11° Tapered Drill Bits

  • Product Description
  • Specification

Carbide Button Choose Guide


Product Spherical Button Ballistic Button Ogive Button
Applicable types Regular type Retrac type Regular type Retrac type Especially suitable for pneumatic rock driller
Hard Rock
Medium Hard Rock
Soft Rock
Abrasive Rock
Non-Abrasive Rock
Homogeneous Rock
Fissure Rock

Remarks:Other specification bits are available according to customer’s requirements.


Physical performance

Items Measured Data
GF20B GF20G
D(g/cm3) 14.94 14.97
HC(Oe) 143 140
σs 9.1 8.8
Ms/% 95 92
TRS(MPa) 3300 3362
POROSITY A02B00C00 A02B00C00
ETA Phase None None
Grain size(μm) 2.5 3
MAX 20 14
Structure Patches None None
KIC None None
HRA 90.3 90.4
HV30 1440 1440

Product parameters


PZD:Tapered Bit;
Carbide button shape,D:Ballistic button,Z:Ogive Button;
Maximum diameter of bit,Unit:mm, exaple:036;
Type of powder discharging groove,TC:Regular type,XC:Inclined groove type;
Appendix code,default 01,for length and technologies distinction;
Button quantity,example:0502,05:gauge buttons,02:front buttons;
Bit body information,example:0722,07:internal taper degree,22:internal hole diameter.


Product Part No. Diam. Button size(mm) Flushing hole Height(mm) Weight(kg)
mm inch Gauge Front Gauge Front
11°Tapered Drill Bits-1 PZDD030TC010301-0719 30 13/16’’ 3×D7 1×D7 2 1 50 0.18
PZDD032TC010301-0722 32 11/4’’ 3×D7 1×D7 2 1 50 0.21
PZDD034TC010301-0722 34 111/32’’ 3×D8 1×D8 2 1 50 0.23
PZDD036TC010301-0722 36 17/16’’ 3×D8 1×D8 2 1 50 0.26
PZDD038TC010301-0723 38 11/2’’ 3×D9 1×D9 2 1 50 0.32
PZDD040TC010301-0723 40 19/16’’ 3×D9 1×D9 1 1 50 0.34
PZDD042TC010301-0723 42 121/32’’ 3×D9 1×D9 1 1 50 0.36
11°Tapered Drill Bits-2 PZDD030TC010402-0719 30 13/16’’ 4×D7 2×D7 1 2 50 0.18
PZDD032TC010402-0722 32 11/4’’ 4×D7 2×D7 1 2 50 0.21
PZDD034TC010402-0722 34 111/32’’ 4×D7 2×D7 1 2 50 0.23
PZDD036TC010402-0722 36 17/16’’ 4×D7 2×D7 1 2 50 0.26
PZDD038TC010402-0723 38 11/2’’ 4×D8 2×D8 2 2 50 0.32
PZDD040TC010402-0723 40 19/16’’ 4×D8 2×D8 2 2 50 0.34
PZDD042TC010402-0723 42 121/32’’ 4×D8 2×D8 1 2 50 0.35
11°Tapered Drill Bits-3 PZDD030TC010502-0719 30 13/16’’ 5×D7 2×D7 1 1 50 0.19
PZDD032TC010502-0722 32 11/4’’ 5×D7 2×D7 1 1 50 0.22
PZDD034TC010502-0722 34 111/32’’ 5×D7 2×D7 1 1 50 0.24
PZDD036TC010502-0722 36 17/16’’ 5×D8 2×D7 1 1 50 0.27
PZDD038TC010502-0723 38 11/2’’ 5×D8 2×D8 1 1 50 0.32
PZDD040TC010502-0723 40 19/16’’ 5×D8 2×D8 2 1 50 0.34
PZDD042TC010502-0723 42 121/32’’ 5×D9 2×D8 2 1 50 0.36
11°Tapered Drill Bits-4 PZDD032TC010602-0722 32 11/4’’ 6×D7 2×D7 1 2 50 0.22
PZDD034TC010602-0722 34 111/32’’ 6×D7 2×D7 1 2 50 0.24
PZDD036TC010602-0722 36 17/16’’ 6×D7 2×D7 1 2 50 0.27
PZDD038TC010602-0723 38 11/2’’ 6×D8 2×D8 1 2 50 0.32
PZDD040TC010602-0723 40 19/16’’ 6×D8 2×D8 1 2 50 0.34
PZDD042TC010602-0723 42 121/32’’ 6×D9 2×D8 1 2 50 0.36

Remarks:Other specification bits are available according to customers’ requirements.
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Tel:+86-13889196063
Add:No. 95-2, blacksmith Road, Hunnan District, Shenyang, Liaoning