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Yanggu Yihui Drilling Tools Co.,Ltd.

ADDRESS:No.216 Zhengyang Road, Qingdao, Shandong,China.

MOBILE:+8613006533721

Whatsapp:+8613006533721

E-MAIL:mya@yihuidrilling.com

Hollow Bit
Nov 07, 2018

Hollow bit is also known as coring bit, opener, center bit, steel plate bit, magnetic bit, rail bit, etc.

Bit classification: high speed steel bit, carbide drill, tungsten steel drill.

Cutting depth: 25mm, 35mm, 50mm, 75mm, 100mm.

Specifications: 12MM to 100MM.


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