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Hex Shank Drill Bits

Posted at: Offers to Sell and Export | Posted on: Thu 12 Nov, 2009 2:42 am |
 
hex shank drill bits
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Drilling in wood

Wood being softer than most metals, drilling in wood is considerably easier and faster


than drilling in metal. Cutting fluids are not used or needed. The main issue in drilling wood is assuring clean entry and exit holes and preventing burning. Avoiding burning is a question of using sharp bits and the appropriate cutting speed. Drill bits can tear out chips of wood around the top and bottom of the hole and this is undesirable in fine woodworking applications.

The ubiquitous twist drill bits used in metalworking also work well in wood, but they tend to chip wood out at the entry and exit of the hole. In some cases, as in rough holes for carpentry, the quality of the hole does not matter, and a number of bits for fast cutting in wood exist, including spade bits and self-feeding auger bits. Many types of specialised drill bits for boring clean holes in wood have been developed, including brad-point bits, Forstner bits and hole saws. Chipping on exit can be minimized by using a piece of wood as backing behind the work piece, and the same technique is sometimes used to keep the hole entry neat.

Holes are easier to start in wood as the drill bit can be accurately positioned by pushing it into the wood and creating a dimple. The bit will thus have little tendency to wander. In metal working, an accurate position needs to be marked with a punch to avoid the bit wandering from the desired position of the hole.



Company Contact:

No member photo
Contact Name: Eric Sun
Company Name: Hangzhou Tercel Industries Co., Ltd
Email: Email
Tel: 0086-571-28035408
Fax: 0086-571-28034752
Street Address: Rm710 Hangzhou
Fengqi Commecial Mansion, Xiacheng
Region, China, 310003
Website: http://www.tercel-fur.com
Member name: terceltool
Country: China-CN China
Member Since: 03 November 2009
Total Leads: 3 terceltool Import Export Business Leads
Business focus: Cutting Tools
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