It designed to stop electrolysis between different metals and prevent oxidation and rust from forming on the surface

End Cutting Unit

just as usual

BSPF (G Series) is a pipe thread which is used mainly for mechanical coupling

Specifications: No Load RPM: 0 - 35

Dremel Chainsaw Sharpening Grinding Stone 5.6mm 455 | 2Pce Strap Hinge It designed to stop electrolysisChainsaw Sharpening Grinding Stone 5,6 mm (455). Biggest chainsaw sharpening bit. Requires the use of both spacers. Features Specially designed for working with conic and flat surfaces Great for grinding and etching Suits DREMEL 4000 (4000 3 36) Rotary Tool DREMEL 200 Series (200 2 30) Rotary Tool DREMEL 4000 (4000 4 50) Rotary Tool DREMEL Lite (7760 15) Rotary Tool DREMEL 3000 (3000 1 26) Rotary Tool DREMEL Stylo+ (2050 15) Rotary Tool DREMEL 8260