Luoyang Shandike Mechanical Equipment Co., Ltd.

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7° Tapred Drilling Tool

7° Tapred Drilling Tool

Tapered drill rods effective lengths are measured from the collar to the bit end, which are usually from 0.6meter to 3.6 meters

• Raw material: It is 55SiMnMo, 320*480 large-section continuous casting billet, then rolling into 150*150 square billet after inserting core rod and  seamless pipe.

• Production process: involving multiple processes, such as steel rolling, forging, normalizing, quenching and tempering, etc.

• Brand: QSAAA, QSAA, GTIII, G30

• Shank size: H22*108mm/ H25*108mm/H25*159mm.

• Angle: 7 /11/12 degree.

• Package: 5 pieces with a small bundle, 50 or 100 pieces with a big bundle.

Quality Level

According to the different choices of customers, we offer four quality products, including Grade A, Grade B, Grade C and Grade D. Customers can choose suitable drill rod according to different hardness of rock and types of rock drilling tools. Grade A drill rod QSAAA and GTIII can be applied to solid rock, III level or above and f≥12 rocks according to Protodikonov’s Hardness Coefficient of Rock. Grade B drill rod QSAA and G30 is suitable for IV level or above and f≥12 rocks, Grade C and Grade D drill rod suitable for IV level or below and f≤8 rocks.

7° Tapred Drilling Tool

Button bit (7°) Dimensions (D) Flushing hole (mm) Buttons (mm) Angle Part no.
mm inch Front
No size
Gauge
No size
Front
No size
Front
No size
H22
32
34
36
38
41
1 1/4”
1 11/32”
1 13/32”
1 1/2”
1 5/8”
1×4
1×4
1×4.5
1×4.5
1×5
2×4
2×4
2×4.5
2×5
2×5
5×7
5×7
5×8
5×8
5×9
2×7
2×7
2×7
2×7
2×7
40°
40°
40°
40°
40°
30322207-07
30342207-07
30362207-07
30382207-07
30412207-07
H22 34
36
38
41
1 11/32”
1 13/32”
1 1/2”
1 5/8”
1×4
1×4.5
1×4.5
1×5
2×4
2×4.5
2×5
2×5
6×7
6×7
6×8
6×8
2×7
2×7
2×8
2×8
35°
35°
35°
35°
30342208-07
30362208-07
30382208-07
30412208-07
H25
36
38
41
43
1 13/32”
1 1/2”
1 5/8”
1 11/16”
1×4.5
1×4.5
1×5
1×5
2×4.5
2×5
2×5
2×5
5×8
5×8
5×9
5×9
2×7
2×7
2×7
2×8
35°
35°
35°
35°
30362507-07
30382507-07
30412507-07
30432507-07

Chisel bit

H22 30
32
34
36
38
40
1 3/16”
1 1/4”
1 11/32”
1 27/64”
1 1/2”
1 37/64”
1×5
1×5
1×5
1×5
1×5.5
1×5.5




















313022-07
313222-07
313422-07
313622-07
313822-07
314022-07
H25

36
38
41
43
1 13/32”
1 1/2”
1 5/8”
1 11/16”
1×5
1×5.5
1×5.5
1×5.5












313625-07
313825-07
314125-07
314325-07

file110

Tapered drill rod (7°) Dimensions L Dimensions D Part no.
mm ft      inch mm inch
Hex shank 22*108mm
600
800
1200
1600
2400
3200
4000
2
2
3
5
7
10
13

7
11
3
10
6
1
22
22
22
22
22
22
22
7/8
7/8
7/8
7/8
7/8
7/8
7/8
10220607
10220807
10221207
10221607
10222407
10223207
10224007
Hex shank 25*108mm
800
1600
2400
3200
4000
2
5
7
10
13
7
3
10
6
1
25
25
25
25
25
1
1
1
1
1
10251207
10251807
10252407
10253007
10254007

 

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