Portable Hole Drilling Machine For Excavators And Heavy Machinery By Breveltion With 45 To 180 Mm Hole Diameter Mechanical Line Boring System 4.92 Ft Boring Bar And Hand Controller For Construction And Engineering Projects

Portable hole drilling system for excavators and equipment
✔️ Diameter 45-180 mm, 4.92 ft boring bar, 110V control box, two-box pack

This portable line boring machine is built for field service on heavy equipment like excavators, cranes, and loaders. It delivers precise inner-hole work and concentric span drilling on-site, helping you repair worn bores without hauling machinery to a shop.

✅ maximum hole diameter: 180 mm (7.09 in)
✅ minimum hole diameter: 45 mm (1.77 in)
✅ maximum travel: 380 mm (14.96 in)
✅ maximum feed depth: 2 mm (0.079 in) on one side
✅ rotation speed: 0-83 RPM
✅ boring bar length: 1500 mm (4.92 ft)
✅ surface roughness Ra3.2
✅ deviation from circular form ≤ 0.02 mm
✅ control: handle control box with 110V supply

💡 What is a hole line boring system used for in heavy machinery maintenance?

This handy tool is built for on-site bore repair and precise hole alignment on heavy equipment. - on-site bore repair for excavators, cranes, loaders - restores concentricity and extends component life - handles 45-180 mm hole diameters with portable setup