Retrac button bits are mainly used in loose rock mass with relatively broken rock. The retrac skirt design can assist in retrieving the drill tool, reduce the phenomenon of bit stuck and buried, and help improve the straightness of the borehole. Our retrac button bits are R25 retrac button bit, R28 retrac button bit, R32 retrac button bit, R35 retrac bit, R38 retrac button bit, T38 retrac button bit, T45 retrac button bit, T51 retrac button bit, GT60 retrac button bit, ST58 retrac button bit, retrac ST68 button bit.
Retrac Button Bit Specification
R25
|
Appearance
|
Diameter
|
Buttons
|
Flushing Hole
|
Weight
|
Model No.
|
|
[mm]
|
[in]
|
Gauge
[No.] × [mm]
|
Front
[No.] × [mm]
|
Side
[No.]
|
Front
[No.]
|
[kg]
|
|
|
41
|
1 5/8"
|
5 × 9
|
2 × 8
|
2
|
1
|
0.78
|
R25-417YFP
|
|
45
|
1 3/4"
|
6 × 9
|
3 × 8
|
1
|
3
|
1
|
R25-459YFP
|
|
48
|
1 7/8"
|
6 × 10
|
3 × 9
|
1
|
3
|
1.1
|
R25-489YFP
|
|
51
|
2"
|
6 × 10
|
3 × 9
|
-
|
3
|
1.35
|
R25-519YFP
|
|
55
|
2 11/64"
|
6 × 11
|
3 × 9
|
1
|
3
|
1.54
|
R25-559YFP
|
|
57
|
2 1/4"
|
6 × 10
|
3 × 10
|
-
|
3
|
1.6
|
R25-579YFP
|
|
64
|
2 1/2"
|
8 × 11
|
4 × 10
|
1
|
2
|
2.2
|
R25-6412YFP
|
Litian Heavy Industry Machinery Co., Ltd (Litian Rock Tools) is a professional drill rod factory. Our products and services are divided into three categories: top hammer drilling tools, TBM cutters, raise boring drilling tools
