The Bosch PRO 9 Piece Multi Material PC Plus Hole Saw Set is a professional bi-metal hole saw kit designed for electricians and plumbers working across a variety of interior installation tasks. Built with high-cobalt HSS alloy teeth (8% cobalt), this set lasts up to 2x longer than a standard HSS M3 hole saw, making it a reliable choice for tradespeople who need consistent performance across multiple materials. The enhanced tooth geometry delivers fast, smooth cuts through steel cladding, drywall, and similar materials without the need to switch between specialist saw types. The set is compatible with the Bosch Power Change Plus keyless arbor system, which speeds up hole saw and pilot drill bit changes and makes removing material plugs significantly easier on site. This is particularly useful for electricians fitting recessed lighting or back boxes, and plumbers routing pipework through stud walls and partitions. Six diameter sizes are included — 20mm, 25mm, 32mm, 38mm, 51mm, and 64mm — covering the most common bore sizes needed for electrical and plumbing installation work. Features and Benefits: • Lasts up to 2x longer than a standard HSS M3 hole saw • Bi-metal construction with 8% cobalt HSS for durability across tough materials • Enhanced tooth design for fast and smooth cutting performance • Compatible with Bosch Power Change Plus keyless arbor for quick, accurate changes • Easier material plug removal with the Power Change Plus system • Six diameter sizes suited to common electrical and plumbing applications Specifications: Diameter (mm): 20 25 32 38 51 64 Working Length: 44mm Net Weight: 0.655kg

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