The drilling efficiency of chisel type bit drill bit is better than that of carbide cross cut thread bits, usually pairing well with B22 drilling rods and rock drills. The reaming bit has the advantages of simple manufacture technology, low-cost, easy use, and is suitable for various types of rocks. These bits are commonly used in various fields such as mines, tunneling and construction-building projects.
Part NO. | Bit diameter | Taper | |
mm | in | ||
Y132-722 | 32 | 1-1/4 | 7° |
Y134-722 | 34 | 1-11/32 | 7° |
Y136-722 | 36 | 1-27/64 | 7° |
Y138-722 | 38 | 1-1/2 | 7° |
Y140-722 (724) | 40 | 1-37/64 | 7° |
Y142-722 (724) | 42 | 1-21/32 | 7° |
Y144-722 (724) | 44 | 1-47/64 | 7° |
Y146-722 (724) | 46 | 1-13/16 | 7° |
Part NO. | Bit diameter | Taper | |
mm | in | ||
Y126 - 722 | 26 | 1–1/16 | 7º |
Y128 - 722 | 28 | 1-1/8 | 7º |
Y132 - 722 | 32 | 1--1/4 | 7º |
Y134- -722 | 34 | 1-11/32 | 7º |
Y136 - 722 | 36 | 1-27/64 | 7º |
Y138 - 722 | 38 | 1-1/2 | 7º |
Y140 – 722(724) | 40 | 1-37/64 | 7º |
Y142 – 722 (724) | 42 | 1-21/32 | 7º |
Y144 – 722 (724) | 44 | 1-47/64 | 7º |
Y146 – 722 (724) | 46 | 1-13/16 | 7º |
Beijing Xinle Machinery & Equipment Co,.Ltd.
Add.: Room 302, Ent Building 5, No.11, Bajiao Beilu, Shijingshan District, Beijing 100043
Contact: Ji Lanting / Ji Yan
Tel: +86-10-88927784
Fax: +86-10-88927785