•Specifications:
•Material: Alloy
•Size: 30mm/35mm/40mm/45mm/50mm/55mm/60mm/65mm/70mm/75mm
•Extension tails sizes: 160mm/220mm/350mm (sold separately)
•Process: High-frequency welding technology inlay alloy
•Threaded hole: 22mm
•Uses: Suitable for brick, concrete walls, air conditioning openings
•Features:
•Use carbide manufacturing, the matrix 40CR, high-frequency welding technology inlay alloy
•Rounds alloy blade combinations, each blade to bear part of the workload, not prone to chipping off the edge
•High-frequency welding technology, welding openings is very strong, smooth inside and outside welding mouth,
•precision engage, appearance