Mining

Blast Hole Tooling

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Subs, Adaptors & Bushings

Tube Technologies manufactures all types of subs and adapters for Blast Hole Drilling. Made from 4142 heat treated alloy which is the hardened to 32 – 36 Rockwell provides maximum strength as subs are hardened to 32-36 Rockwell C substantially stronger then the traditional commercial bar stock. Our extensive array of thread gages allows you to have complete and prompt customization of any sub adapter and all BECO and API thread connections are part of our range.

Image of Subs for Mining Image of Pin to Pin Bit Sub for Mining

Pin to Pin bit sub

Made from 4142 heat treated alloy which is the hardened to 32 – 36 Rockwell provides maximum strength as subs are hardened to 32-36 Rockwell C substantially stronger then the traditional commercial bar stock.

Pin Connection Outside Diameter Standard Length Sub Wt Part Number
2 3/8 API Reg 3 ½ 18 45 35700
2 3/8 API Reg. 4 18 60 35701
2 7/8 IF 4 1/2 18 70 35702
3½ API Reg. 4 1/2 24 97 35703
3 ½ API Reg 5 24 122 35704
3 ½ Beco 5 24 117 35705
3 ½ Beco 5 ½ 24 145 35706
4 – 4 ½ Beco 6 1/4 24 176 35707
4 – 4 ½ Beco 6 ½ 24 194 35708
4 ½ Beco 7 24 230 35709
5 ¼ Beco 7 ½ 18 270 35710
5 ¼ Beco 7 5/8 18 344 35711
6 Beco 8 5/8 18 434 35712
6 Beco 9 1/4 24 531 35713
7 Beco 9 5/8 24 628 35714
8 Beco 10 3/4 24 743 35715
8 Beco 12 1/4 24 1215 35716
10 Beco 12 3/4 24 1308 35717
10 Beco 13 3/8 24 1462 35718
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