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Designed for routing soft plastics.
Slow spiral bits are well known for their use in dealing with problematic materials; usually materials with brittle surfaces that require a more gentle cutting action. The cutting helix of slow spiral bits are less intense than standard spiral bits thus producing less shear on the materials surface.
Understanding the characteristics of the plastic type to be routed is the key to success; there are many varieties and manipulations of plastics. General failures when routing plastic are usually associated with chipping and shattering; "re-weld" occurs when the heat produced during cutting reattaches the chips to the finished surface and thus spoils the finish.
Good routing technique for plastics is keeping the RPM's up (at approximately 18000 RPM as a start), keep the feed rates fast and minimize dwelling in the same place as this will cause unnecessary heat build up and re-weld; utilize the plunging ability of the router to eliminate dwelling time - ramping in and ramping out of corners for instance. Keeping the bit as cool as possible is the top priority.
|Make #||Shank||D(mm)||c/l(mm)||o/a(mm)||special use||features||material||flute||Item Price Ex. VAT||Item Price Inc. VAT|
|SoutheastTool SOD823||6.35 mm (1/4")||6.35||19.05||63.5||o-flute||solid carbide||2||£ 19.34||£ 23.21||Buy / Details|
|Whiteside RD2076A||6.35 mm (1/4")||6.35||19.05||63.5||general plastics||polished O-flute||solid carbide||2||£ 18.75||£ 22.50||Buy / Details|