3½" T45 Thread Retarc Button bit
T45 thread retrac button bits are available in flat face and drop center，Mainly used for underground rock drilling and long hole rock drilling.
The T45 Retrac button bit produced by KAT Drilling Tools has excellent performance and helps customers save costs.
Advantages:
1. The drill bit body is made of 50R61 steel
2.The head carbide is YK05 or T6
3.Diameter:3½"
4.Package:in wooden case or in carton.
5.Productivity:10000pcs/ month
T45 Thread Retrac Button bit
Button bit |
Carbide dimension |
Dimensions D |
Flushing hole |
|||||
Gauge |
Front |
|||||||
[No.] |
[mm] |
[No.] |
[mm] |
[mm] |
[in] |
Front |
Side |
|
Flat Face / Retrac |
||||||||
|
6 |
12.7 |
3 |
12.7 |
76 |
3" |
3 |
1 |
6 |
14 |
4 |
14 |
89 |
3 1/2" |
3 |
0 |
|
8 |
12.7 |
5 |
10 |
76 |
3" |
4 |
0 |
|
8 |
12.7 |
5 |
12.7 |
89 |
3 1/2" |
4 |
2 |
|
8 |
11 |
6 |
11 |
76 |
3" |
2 |
0 |
|
8 |
12.7 |
6 |
11 |
82 |
3 1/4" |
2 |
0 |
|
8 |
12.7 |
6 |
12.7 |
89 |
3 1/2" |
2 |
0 |
|
8 |
14 |
6 |
14 |
102 |
4" |
2 |
1 |
|
8 |
16 |
6 |
14 |
115 |
4 1/2" |
2 |
0 |
|
8 |
16 |
8 |
14 |
127 |
5" |
2 |
0 |
|
Drop Center / Retrac |
||||||||
|
6 |
11 |
3/1 |
11 / 9.5 |
70 |
2 3/4" |
3 |
0 |
6 |
12.7 |
3/1 |
11 / 9.5 |
76 |
3" |
3 |
0 |
|
6 |
14 |
3/2 |
12.7 / 9.5 |
89 |
3 1/2" |
3 |
0 |
|
8 |
11 |
4/1 |
10/10 |
76 |
3" |
4 |
0 |
|
8 |
12.7 |
4/1 |
12.7 / 12.7 |
89 |
3 1/2" |
4 |
0 |
|
8 |
11 |
4/2 |
11 / 9.5 |
89 |
3 1/2" |
4 |
1 |
|
8 |
14 |
4/3 |
12.7 / 11 |
102 |
4" |
4 |
1 |
|
8 |
14 |
4/3 |
14 / 12.7 |
115 |
4 1/2" |
4 |
0 |
|
8 |
16 |
4/3 |
16 / 12.7 |
127 |
5" |
4 |
2 |
|
