Onsrud
Onsrud 60-242 1/4" Three Flute Routing End Mill Plunge Point 3"L pneumatic accessory
Carbide three-flute routing end mill with plunge point for plastic and wood milling
- TypeMilling
- Carbide construction resists wear for longer tool life
- Three-flute design clears chips efficiently in plastic and wood
- Down-cut spiral forces material downward for cleaner top surfaces
- Plunge-point tip allows direct entry without pre-drilling
- 3-inch overall length reaches deep cavities in thick stock
Onsrud 60-242 Three-Flute End Mill
The Onsrud 60-242 is a solid carbide routing end mill with a 1/4 inch cutter diameter and a 3 inch overall length. It features three flutes and a plunge point designed for spiral downcut milling action. This pneumatic accessory is built for use in power tool routing applications.
Suited for Plastic and Wood Routing
This bit suits operators cutting plastic or wood who need a downcut spiral to hold material flat and reduce top-surface tear-out. The three-flute design balances chip evacuation with finish quality in these materials. Buyers needing an upcut spiral for deeper chip removal or those working primarily in metals should look at something else.
Standard Collet Installation
Installation follows normal collet procedures for 1/4 inch shank router bits used in compatible pneumatic or electric routers. Ensure the collet is clean and the bit is seated to the correct depth before tightening. Common issues include excessive vibration from worn collets and premature wear if feed rates or speeds are unsuitable for the specific plastic or wood being cut.
Highlights
- Carbide construction resists wear for longer tool life
- Three-flute design clears chips efficiently in plastic and wood
- Down-cut spiral forces material downward for cleaner top surfaces
- Plunge-point tip allows direct entry without pre-drilling
- 3-inch overall length reaches deep cavities in thick stock
Specifications
| Brand | ONSRUD |
|---|---|
| Type | Milling |
Questions about this item
What collet size do I need to hold the 1/4 in cutter diameter?
A 1/4 in collet matches the cutter diameter exactly for secure clamping.
Will the downcut spiral pull chips out of a CNC router table or push them down?
The spiral downcut geometry pushes chips downward into the workpiece rather than lifting them.
How can I confirm the bit is cutting cleanly in plastic and wood?
Inspect the cut edges — smooth finishes without tear-out show the three-flute carbide is performing as intended.
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