Bosch is one of the major router brands sold in the UK, and knowing which router bits fit which of their models is essential before you buy. This guide covers every current Bosch router — plunge, trim, and cordless — along with the shank sizes each one accepts, recommended bit brands, and where to buy in the UK.
Bosch Router Model Compatibility Table
Every Bosch router listed below, with its native collet options, speed range, and typical use. Cross-reference with your specific model before buying bits.
| Model | Accepted Collets | Speed (RPM) | Power / Type | Notes |
|---|---|---|---|---|
| Bosch GKF 600 | 1/4″ / 6mm / 8mm | 33,000 rpm | 600W palm/trim router (Professional blue) | Comes with 6mm and 8mm; 1/4″ optional |
| Bosch GKF 12V-8 | 1/4″ / 6mm / 8mm | 13,000 rpm | 12V cordless palm router | Same collet set as GKF 600 |
| Bosch POF 1400 ACE | 1/4″ / 6mm / 8mm | 11,000–28,000 rpm VS | 1400W DIY plunge (green) | Home/DIY router — no 1/2″ option |
| Bosch GOF 1250 CE | 1/4″ / 8mm / 1/2″ | 8,000–24,000 rpm VS | 1250W Professional plunge | Accepts 1/2″ — trade-capable |
| Bosch GOF 1600 CE | 1/4″ / 8mm / 1/2″ | 10,000–25,000 rpm VS | 1600W Professional plunge | Trade flagship; full collet range |
| Bosch GMR 1 Professional | 1/4″ / 6mm / 8mm | 33,000 rpm | Laminate trimmer, 550W | Compact trim only |
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Collet System Overview
Bosch distinguishes between the blue Professional line (GKF, GOF, GMR) and the green DIY line (POF). Both accept the standard shank sizes but the Pro GOF 1600 is the only Bosch router that fully accepts 1/2″ bits natively. The POF 1400 is a common DIY choice but is limited to 8mm maximum.
Shank Size Rules
No router bit will safely work in a collet that doesn’t match its shank. Always verify:
| Shank Size | Actual Diameter | Stiffness (relative) | Best For |
|---|---|---|---|
| 1/4 inch | 6.35mm | 1.0× baseline | Small profiles, trim work, bits under 35mm cutter |
| 6mm | 6.00mm | 0.8× | Metric bits — not interchangeable with 1/4″ |
| 8mm | 8.00mm | 2.5× | Mid-size bits, European standard |
| 1/2 inch | 12.70mm | 16× | Large profiles, production work, router table |
For a deep dive into shank sizes, see our router shank sizes guide.
Best Router Bits for Bosch Routers
Router bits themselves are not brand-specific — any TCT bit with the correct shank size will fit a Bosch router. These are the bit brands that work especially well:
| Bit Brand | Shank Range | Why It’s a Good Match |
|---|---|---|
| Bosch Expert | 1/4″ / 8mm / 1/2″ | OEM premium range — excellent matched set for GOF 1600 |
| Trend CraftPro | 1/4″ / 8mm / 1/2″ | Wide UK availability |
| Freud | 1/4″ & 1/2″ | Top-tier TCT |
Buy Trend CraftPro Router Bits on Amazon UK
How to Swap Bosch Router Bits Safely
Step 1: Unplug the router or remove the battery. Never change bits with power connected.
Step 2: Engage the spindle lock (usually a button on the router body). Some Bosch models need two spanners instead of a lock — check your manual.
Step 3: Loosen the collet nut, typically half a turn counter-clockwise. The bit should release after a partial turn.
Step 4: Clean the bit shank and the inside of the collet with a dry cloth. Any debris causes runout and poor finish.
Step 5: Insert the new bit to the full depth minus about 2mm (don’t bottom it out against the collet taper). Tighten firmly but don’t over-torque — just past snug is enough.
Common Bosch Router Bit Problems
Bit Slips or Walks Out
Almost always a contaminated or worn collet. Clean with brake cleaner, inspect for wear, replace if worn. Never try to solve slippage by over-tightening the collet nut — you can damage the collet.
Chatter or Vibration
Check you’re using the right shank size for the bit (1/2″ for anything over 35mm cutter). Also check router speed matches bit rating. Reduce speed for larger-diameter cutters.
Poor Finish on Hardwood
Usually bit dullness or too-fast feed rate. On hardwood, reduce feed, take multiple passes, and consider upgrading to a 1/2″ shank bit for stiffer cutting.
Where to Buy Bosch Router Bits in the UK
Bosch OEM bits and compatible third-party options are available from Amazon UK, Tooled Up, Axminster, FFX, and direct from specialist router-bit retailers like Wealden Tool.
Buy Bosch Profile Bits on Amazon UK
Buy Bosch Router Bits at Tooled Up
Related Guides
- Router Bit Compatibility Hub
- 1/4 vs 1/2 Inch Router Bits
- 8mm vs 1/4 vs 1/2 Router Shank Sizes
- Router Collet Compatibility
Frequently Asked Questions
Which router bits fit Bosch routers?
Any standard router bit with the correct shank size — 1/4 inch, 8mm, or 1/2 inch depending on your Bosch model. See the compatibility table above for which shanks each Bosch router accepts.
Are Bosch-branded router bits better than third-party bits?
Bosch OEM bits are perfectly good but not necessarily better than premium third-party options like Trend CraftPro, Freud Diablo, or CMT Orange. Bit quality depends on carbide grade, grind quality, and balance — not the brand on the router.
Can I use 1/2 inch bits in a Bosch trim/palm router?
No. Trim routers (Bosch palm routers) only accept 1/4 inch (and sometimes 6mm or 8mm) shanks — physically the 1/2 inch shank is too big to fit. You need a full-size Bosch plunge router for 1/2 inch bits.
Do I need a special collet for 8mm bits in a Bosch router?
Yes. Most Bosch routers ship with a 1/4 inch collet only. An 8mm collet is usually available as an optional accessory — check Bosch spare parts for the correct part number for your model.
How tight should the collet nut be on a Bosch router?
Firm but not over-torqued. A good rule of thumb is about 10–15 Nm, or — without a torque wrench — as tight as you can get it with one hand on a 150mm spanner. Over-tightening deforms the collet and ruins it.
How often should I clean my Bosch router collet?
Every 10–15 hours of use, or whenever you see dust build-up. A quick wipe with brake cleaner or IPA and a dry cloth takes 30 seconds and prevents slippage.