Bahco 3830 C Bi-Metal Variable Pitch Hole Saw

The Bahco 3830-21C is a 21mm diameter bi-metal variable pitch hole saw, offering excellent versatility for standard electrical installations, common cable management and everyday fixture mounting. This size is particularly useful for typical electrical work including standard conduit installations, junction boxes and general mounting applications across residential and light commercial projects. Manufactured with Bahco's Sandflex® technology, this 21mm holesaw features a variable pitch (4-6 TPI) blade that minimises vibration during cutting, ensuring smooth operation and extended tool life. The high-speed steel cutting edges deliver exceptional hardness, whilst the welded seam construction guarantees accuracy. The heat-treated body provides strength when working with materials up to 38mm thick, compatible with portable electric or pneumatic tools.