Hss Twist Drill Bits & Hss Drill Bits
Jun 02, 2009
HSS twist drill bits
We produce all kinds of HSS twist drill bits, the details include:
1)standard: DIN338, DIN1897, DIN340, ISO235, ANSI B94. 11M, DIN345, DIN 1870
2)material::HSS 4241, HSS 4341, HSS 9341, M2(6542), M35,
3)manufactory process:roll.....
Danyang Yongda Tool Co., Ltd