SL-4NF Specifications Cutting Length: 1-1/8" Cutting Diameter: 1/2" Shank Diameter: 1/4" Total length: approx 3” (74mm) Weight: 1.51 ounces Size: 3 × 0.5 × 0.5 inches Shape: Taper Shape with Radius End Application: Work on narrow workpiece contours and surfaces Versatile Mainly designed for use on non-ferrous and non-metallic materials and soft gummy materials such as aluminum. Great for deburring and polishing.Packed with a transparent plastic tube for safety storageand protection Durable Made of heat-treated tungsten carbide YG8 that lasts 10 times working life Durability than HSS tool.Machining various kinds of metal material including ≤HRC65 hardened steel. Feature Good processing quality, high finish. Can be processed into a variety of high-precision shape mold cavity. and the smooth flute finishes provide maximum chip flow. Application Tips Always ensure your burr shank is well inserted into your collet andclamped down tightly.Wear an eye mask to protect your eyes from filings.Ensure the appropriate Air Tool is used and that it is regularly maintained.Check that the bur is running true in the Air Tool before use.Generally, the minimum grip depth is 2 / 3 of the length of the handle (not suitable for long handle rotary files).Run extra long burs at slower speed, do not exceed 15,000 RPM.Use a smooth cutting action with constant movement.Use light pressure, let the bur do the work.Keep out reach of children. Carbide burr set 10pcs Carbide burr set 8pcs Carbide burr SB-5 Carbide burr SA-5 Carbide burr SC-5 Add to Cart Add to Cart Add to Cart Add to Cart Add to Cart Customer Reviews 4.6 out of 5 stars 1,172 4.6 out of 5 stars 1,395 4.6 out of 5 stars 420 4.7 out of 5 stars 309 4.6 out of 5 stars 215 Price $43.99$43.99 $34.99$34.99 $12.99$12.99 $12.99$12.99 $12.99$12.99 Shank Diameter：1/4" ✓ ✓ ✓ ✓ ✓ Tungsten Carbide ✓ ✓ ✓ ✓ ✓ Double Cut ✓ ✓ ✓ ✓ ✓