LZQ TOOL CO., LTD. +86-021-50327060
LZQ TOOL CO., LTD. zq@lzqtech.com
LZQ Tools

Center Drill


Super-hard processing of professional, special, non-standard, special shaped and new products with any kind, any shape and tolerance. If you have any similar inquiry, please fax us your address or call us to get samples in the photos and related catalogue for your reference (only a small amount is allowed).

We keep around RMB 20~30 Million turnover stock articles such as raw material, semi-products, finished products in an ordinary year, we are capable to produce according to drawing or sample provided by the customer, so as to present you a favourable cost-performance ratio…Welcome to visit our factory.

Product Details

We can produce special, compound, special-shaped, Super large, Super thin, Super long combined forming products according to requirements of drawings, samples, and size tolerance. CNC super-finish grinding (compound) profile die, finish spindle & wear-resistant parts.


We can also provide mass production of the centre drill bit, chamfer drill bit, the profile drill bit of ultra micro-grain quality carbide). Super-thin twist drill (ultra micro-grain quality carbide/High-grade high cobalt powder steel. When producing in batch, we can produce forming drill bits with many kinds of apex angles, cutting-edge forms and μm dimension tolerance. A drill having deep helical grooves along the shank from the point.

A drill bit having two helical grooves going for walks from the point along the shank to clear swarf and cuttings. The twist drill bit is the kind produced in greatest volume today. It consists of a slicing factor at the tip of a cylindrical shaft with helical flutes; the flutes act as an Archimedean screw and lift swarf out of the hole. Twist drill bits range in diameter from 0.002 to 3.5 in (0.051 to 88.900 mm)  and can be as long as 25.5 in (650 mm). 

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  • Center Drill
  • Center Drill

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