Flex-Hone Four And One Eighth Inch Diameter 240 Grit Silicon Carbide Honing Tool For Mild Steel Stainless Steel Cast Iron And Softer Ferrous Materials

Precision 4.125 in honing tool, 1 piece, 240 grit carbide
✔️ Bore 4.125 in (105 mm), length 13.5 in, shank 0.310 in

This precision honing tool is designed for internal cylinder finishing on engines, hydraulic and pneumatic components. It self-centers in the bore, delivering a plateau cross-hatch finish and a clean deglazing action. Use on bores from 3.751 to 4.125 inches, including mild steel, stainless steel, and cast iron.

✅ 4.125 in bore diameter (105 mm), 4 in abrasive part length, 13.5 in overall length
✅ 0.310 in shank diameter (7.87 mm)
✅ 240 grit Silicon Carbide abrasive
✅ Self-centering, self-aligning, wear-compensating design
✅ Ideal for mild steel, stainless steel, cast iron and softer ferrous materials
✅ Fits bore range 3.751-4.125 in (95.3-105.0 mm)

💡 What is a cylinder bore finishing tool used for in bore finishing and why is silicon carbide ideal? This handy tool refines bore surfaces and improves sealing life.
- cylinder bore finishing with plateau cross hatch for oil retention
- deglazing and deburring in a single setup for ferrous bores
- silicon carbide abrasive provides balanced material removal with smooth finish