Magnate 2935 1+1 Compression Left Hand Spiral Router Bit, - 1/2" Cutting Diameter; 2" Cutting Length; 1/2" Shank Diameter; 4" Overall Length

This micrograin solid carbide spiral bit is designed for double sided laminated or veneered material. This bit is used where an excellent finish on the top and bottom. Use 1+1 (1 flute) compression bit where lower feed rate is required; Use 2+2 (2 flute) compression bit where standard feed rate is required; In case a bit doesn't come with a speed chart. You may try the following suggestion. This is merely a guideline to start, result likely varies due to the varieties of edge and material hardness: Run 24,000 rpm maximum for 1" overall diameter router bits; Run 18,000 rpm maximum for 1-1/4" overall diameter router bits; Run 16,000 rpm maximum for 2-1/4" to 2-1/2" overall diameter router bits; Run 12,000 rpm maximum for 3" to 3-1/2" overall diameter router bits;