Bosch Expert SelfCut Speed Spade Bits 16-32mm (7 pcs)
£20.79£24.95 EX VATINC VAT
Seven-piece Bosch Expert SelfCut Speed spade bit set covering 16 to 32mm. Self-feeding tip, wave-cut spade, hex shank. Suited to electricians and installers drilling cable routes and fixing holes through timber, chipboard and particleboard.
The Bosch Expert SelfCut Speed spade bit set gives you six of the most commonly needed sizes in a single kit, from 16mm up to 32mm, plus an extension bar. If you regularly drill cable routes, dowel holes or fixing clearances through timber and sheet materials, this is the kind of thing you want in your bag rather than hunting for individual bits mid-job. The set covers 16, 18, 20, 22, 25 and 32mm, all at 152mm working length with a 1/4 inch hex shank.
What separates these from a basic spade bit is the Bosch Tip Technology. The self-feeding threaded tip pulls the bit forward as it cuts, which means you are not forcing the drill to do the work. Less effort, faster progress, cleaner entry. The wave-shaped spade profile helps clear chips quickly rather than packing them against the workpiece, which is what causes burning and slows you down. Bosch quote these as drilling around three times faster than a standard spade bit, and that kind of speed difference is noticeable on a run of back-boxes or a floor full of joist holes.
Where the Bosch Expert SelfCut Spade Bit Set Gets Used
Electricians are the obvious audience here. Running cables through joists and stud walls is repetitive work and the time saved per hole adds up fast. Plumbers, AV installers and general carpenters will find them equally useful. The 32mm is the right size for a standard knockout in most back-box installations, and the smaller sizes handle dowel and fixing clearances without drama.
Tool Compatibility
The 1/4 inch hex shank fits directly into standard three-jaw chucks and hex driver chucks without adapters. These bits are suited to rotary drills, rotary impact drills and impact screwdrivers. Worth noting that the extension bar included in the set is genuinely useful in tight stud-wall situations where a standard bit length does not reach.
All bits are stored in a case, which keeps the set together rather than rattling loose in a tool bag. Small thing, but you will appreciate it on the third job of the day.
Pro Tip: The self-feeding tip only works properly when the drill is running at a steady speed before contact, so bring the bit up to speed first, then let the thread pull it in rather than pushing through.
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