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This is our patent product from our factory and supplier in China: 3-flute Cobalt drill bit set which has many advantages (compare to HSS Cobalt drill 2-flutes HSS Twist tools):
1. Cutting speed is faster
2. Cutting life is extended longer
3. Location precision is better
4. The hole is very smooth
5. Positioning of cutting is easier
Quality of TWIST DRILL BITS is the life of our manufacturer.
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Danyang Youjie Tools Co., Ltd.
Address: Houxiang Town, Danyang City, Jiangsu Province, China
Postal Code:212312
Country: China
E-mail:youjie@youjie-tools.com
Tel: +86-511-88012718
Fax：+86-511-88012723
Whatsapp:13815493056
