CNC Bit Reference — About This Database
CNC Bit Reference — About This Database This database covers CNC router bits compatible with the Wolfpawn 4040 Pro and similar desktop CNC machines with ER11 collets. Shank Sizes Only two shank sizes are listed — the two that actually fit desktop CNC ER11 collets: Router table bits (1/2" shank, 3/8" shank) are NOT listed — they do not fit ER11 collets and are not suitable for desktop CNC spindles. Bit Types Covered Spiral bits — upcut, downcut, compression, O-flute (for plastics) V-bits — 15°, 20°, 30°, 45°, 60°, 90° — for V-carving, engraving, chamfers Ball nose — for 3D relief carving, micro sets (0.8–2.5mm) Straight bits — for dadoes, rabbets, joinery Specialty — surfacing/spoilboard bits, engraving liners Brands Covered Genmitsu — branded bits sold through SainSmart, designed for their desktop CNC line. The OS10B, MC40A, VG05B, WC04A, BN10A, USBC05, DSBC05 series. Generic — universal bit types that apply regardless of brand. Use these settings as a starting point and adjust for your specific bits. How to Use This Database Each profile lists: Specs — shank, coating, material, max RPM Settings — RPM, feed rate (mm/min), depth of cut (mm per pass) Applications — what materials/operations the bit is suited for Tips — practical notes on when and how to use it Settings are conservative starting points for the Wolfpawn 4040 Pro. Run a test cut on scrap before committing to a full job. Useful Links Genmitsu / SainSmart bits SainSmart CNC accessories Speeds & Feeds calculator G-Wizard speeds & feeds
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