HLDRILLDrifting and tunneling 35R25 thread button bit product with Raw steel and carbide,Mature technology and experience, strict quality control to ensure excellent product performance.To extend the service life of the rock drill bit and save customers costs.
HLDRILLDrifting and tunneling 33R25 thread button bit To match shank rod, and MM and MF Hex drifter rod for light-duty top hammer.
HLDRILLR25 thread series products include button bit cross bit ,reaming bit ,shank rod,coupling, hex MM/MF rod etc.
Diameter from 33mm to 89mm.
Performance
1.Excellent straightness and hole clean quality;
2.leading strength and penetration rates
3.long life and cost effective
Application
Used in drifting and tunneling, dimensional natural stone quarrying
Specification
Drifting and tunneling R25
Drill bit
Bit diameter
No.×button diameter
Flushing hole
Weight approx kg
HENGLONG PN
mm
inch
Center
Gauge
Angle
Front
Side
Button bit
Spherical buttons
33
1 19/64"
2×7
5×7
35°
1
2
0.33
1431-33R25-27/57-45-31
35
1 3/8"
2×7
5×8
35°
1
1
0.39
1431-35R25-27/58-45-31
38
1 1/2"
2×7
5×8
30°
1
1
0.52
1431-38R25-27/58-45-31
38
1 1/2"
2×7
5×9
30°
1
1
0.52
1431-38R25-27/59-45-31
41
1 5/8"
2×9
4×9
35°
1
2
0.58
1431-41R25-29/49-45-31
41
1 5/8"
2×8
5×9
35°
1
1
0.58
1431-41R25-28/59-45-31
43
1 11/16"
2×9
4×10
35°
1
2
0.65
1431-43R25-29/410-45-31
45
1 3/4"
2×8
5×9
30°
1
2
0.68
1431-45R25-28/59-45-31
45
1 3/4"
3×8
6×9
30°
3
2
0.68
1431-45R25-38/69-45-31
Parabolic buttons
33
1 19/64"
2×7
5×7
35°
1
2
0.33
1431-33R25-27/57-45-51
35
1 3/8"
2×7
5×8
35°
1
1
0.39
1431-35R25-27/58-45-51
38
1 1/2"
2×7
5×8
30°
1
1
0.52
1431-38R25-27/58-45-51
38
1 1/2"
2×7
5×9
30°
1
1
0.52
1431-38R25-27/59-45-51
41
1 5/8"
2×9
4×9
35°
1
2
0.58
1431-41R25-29/49-45-51
41
1 5/8"
2×8
5×9
35°
1
1
0.58
1431-41R25-28/59-45-51
43
1 11/16"
2×9
4×10
35°
1
2
0.65
1431-43R25-29/410-45-51
45
1 3/4"
2×8
5×9
30°
1
2
0.68
1431-45R25-28/59-45-51
45
1 3/4"
3×8
6×9
30°
3
2
0.68
1431-45R25-38/69-45-51
Reaming bit 12°
64
2 1/2"
2×9
8×10
35°
-
-
0.88
1441-6412-29/810-45-41
64
2 1/2"
4×9
8×9
25°
-
-
0.88
1441-6412-49/89-45-41
76
3"
2×11
8×11
35°
-
-
1.20
1441-7612-211/811-45-41
76
3"
4×10
8×10
30°
-
-
1.20
1441-7612-410/810-45-41
Pilot adapter 12°
26
1 1/32"
10×7
-
-
-
1.30
1442-26R25-10/7-42-22
32
1 1/4"
11×7
-
-
-
1.50
1442-32R25-11/7-42-22
Cross bit
33
1 19/64"
11×7
-
1
4
0.42
1221-33R25-11/7-42-22
35
1 3/8"
12×8
-
1
4
0.52
1221-35R25-12/8-42-22
38
1 1/2"
12×8
-
1
4
0.62
1221-38R25-12/8-42-22
41
1 5/8"
12×8
-
1
4
0.72
1221-41R25-12/8-42-22
43
1 11/16"
12×8
-
1
4
0.72
1221-43R25-12/8-42-22
45
1 3/4"
14×8
-
1
2
0.82
1221-45R25-14/8-42-22
51
2"
14×8
-
1
4
1.12
1221-51R25-14/8-42-22
Drill rod R25
Length
Diameter
Weight approx kg
HENGLONG PN
mm
foot
mm
inch
Drifter rod,R32-Hex25-R25 Flushing hole 8.6mm Full carburization
1830
6'
25
1"
8.60
22H25-R25/R32-1830-23
2400
7'10"
25
1"
9.60
22H25-R25/R32-2400-23
2600
8'6"
25
1"
10.40
22H25-R25/R32-2600-23
2800
9'2"
25
1"
11.10
22H25-R25/R32-2800-23
3090
10'1"
25
1"
12.20
22H25-R25/R32-3090-23
3700
12'2"
25
1"
14.60
22H25-R25/R32-3700-23
Drill rod R25
Length
Diameter
Weight approx kg
HENGLONG PN
mm
foot
mm
inch
Extension rod,R25-Hex25-R25 Flushing hole 8.6mm Full carburization
915
3'
25
1"
3.40
23H25-R25/R25-0915-23
1000
3'3"
25
1"
4.00
23H25-R25/R25-1000-23
1220
4'
25
1"
4.60
23H25-R25/R25-1220-23
1525
5'
25
1"
5.80
23H25-R25/R25-1525-23
1830
6'
25
1"
7.00
23H25-R25/R25-1830-23
2435
8'
25
1"
9.30
23H25-R25/R25-2435-23
3090
10'1"
25
1"
12.00
23H25-R25/R25-3090-23
Speedrod,R25-Hex25-R25 Flushing hole 8.6mm Full carburization
610
2'
25
1"
2.70
24H25-R25/35-0610-23
1220
4'
25
1"
5.10
24H25-R25/35-1220-23
1830
6'
25
1"
7.00
24H25-R25/35-1830-23
2435
8'
25
1"
9.30
24H25-R25/35-2435-23
3090
10'1"
25
1"
12.00
24H25-R25/35-3090-23
R25 Shank end rod
Length
Diameter
Weight approx kg
HENGLONG PN
mm
foot
mm
inch
H22*108 shank end rod Steel grade:Z708
Shank 22mm×108mm
255
10"
22
7/8"
1.20
21H22-R25/108-0255-40
610
2'
22
7/8"
2.50
21H22-R25/108-0610-40
760
2'6"
22
7/8"
2.75
21H22-R25/108-0760-40
1000
3'3"
22
7/8"
3.50
21H22-R25/108-1000-40
1200
3'11"
22
7/8"
4.25
21H22-R25/108-1200-40
1830
6'
22
7/8"
6.15
21H22-R25/108-1830-40
H25*108 shank end rod Steel grade:Z708
Shank 25mm×108mm
255
10"
25
1"
1.50
21H25-R25/108-0255-40
610
2'
25
1"
2.95
21H25-R25/108-0610-40
1200
3'11"
25
1"
5.45
21H25-R25/108-1200-40
1830
6'
25
1"
7.95
21H25-R25/108-1830-40
2435
8'
25
1"
10.35
21H25-R25/108-2435-40
Coupling
Length
Diameter
Thread
Weight approx kg
HENGLONG PN
mm
inch
mm
inch
Coupling sleeves Full carburization
140
5 1/2"
33
1 1/4"
R25
0.53
31-R25-33-140-23
150
5 7/8"
35
1 3/8"
R25
0.73
31-R25-35-150-23
Crossover coupling Full carburization
140
5 1/2"
45
1 3/4"
R25-R32
1.20
33-R25/R32-45-140-23
150
5 7/8"
45
1 3/4"
R25-R32
1.30
33-R25/R32-45-150-23
170
6 5/8"
55
2 5/32"
R25-R38
1.70
33-R25/R38-55-170-23
170
6 5/8"
55
2 5/32"
R25-T38
1.80
33-R25/T38-55-170-23
HENGLONG workshop and Process of manufacturing
Packing and shipping
Factory
Customer visit
Production
QUALITY INSPECTION PROCESS
Product quality is one of the core links in the development and growth of Yanggu Henglong Engineering Co., Ltd. Our company has strict internal and external inspection processes to ensure the quality of our products. Our inspection process for our products is as follows.