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Omega Products Standard Reduction Sleeve - Slotted Boring Bar - Outside Diameter 25mm - Inside Diameter 20mm
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Description
The Omega Products Standard Reduction Sleeve for Slotted Boring Bars is a precision adapter that lets you pair a 25 mm outer-diameter tool holder with a 20 mm slotted boring bar shank. Built for dependable performance in milling and drilling tasks, this sleeve helps you keep your existing tooling productive and accurate.
Designed with a slotted profile, it offers flexible, repeatable mounting across a range of slotted boring bars, reducing downtime and the need for multiple adapters. The sleeve is manufactured from high-quality materials to withstand the rigors of everyday workshop use and maintain tight tolerances over time.
- Exact fit and compatibility: Secure alignment with slotted boring bars for consistent results across jobs.
- Rugged, durable construction: Made from high-quality materials that resist wear, ensuring long tool life.
- Easy to install and adjust: Slotted design enables quick setup and reliable clamping with minimal tooling changes.
By using this reduction sleeve, you gain a simple, reliable way to convert a 25 mm tool holder to accept a 20 mm boring bar shank. The result is faster setups, fewer tool changes, and consistent cutting performance—delivering smooth finishes, tighter tolerances, and higher overall productivity across demanding milling or drilling tasks.
Part Numbers
- Protool Part Number
- OM19191
- Brand
- Omega
- Category
- Boring Bar Sleeve
Need cutting data? Call 01732 887334 or email sales@protool-ltd.co.uk.
Delivery
Free UK mainland delivery on orders over £50 ex VAT. In-stock items ordered before 4:30pm are dispatched the same working day. Full delivery information.
Returns
14-day returns on unused stock items in original packaging. Special-order and bespoke tooling is non-returnable. Read our returns policy.
Technical Support
Over 30 years of machining experience behind the counter. Call 01732 887334, Mon–Thurs 8:30–17:30, Fri 8:30–16:30.
Trade Accounts
Credit accounts, contract pricing and scheduled call-off orders available for trade customers. Apply for an account.
What time are Protool open?
We are open Monday to Friday between 8:30am and 5pm.
Do you offer Free Next Day delivery?
Yes! We offer Free Next Day delivery via Royal Mail Tracked 24 on all orders over £50 ex VAT*. We also offer Free DPD Local Next Day delivery on all orders over £100 ex VAT*.
We also offer the following:
- Royal Mail Tracked 24 — £5.90 (FREE on orders over £50 ex VAT*). Order before 4:30pm for next day delivery. No signature required.
- DPD Local Next Day — £8.00 (FREE on orders over £100 ex VAT*). Standard next day delivery to UK mainland addresses.
- Royal Mail Special Delivery — £12.50. Guaranteed delivery before 1pm the next working day.
- DPD Saturday Delivery — £25.00. Must be ordered on Friday before 4pm. Pre-12pm delivery.
For delivery to Scottish Highlands & Islands, Northern Ireland, Republic of Ireland, or overseas locations, additional charges apply. Please see our delivery page for full details, or call us on 01732 887 334.
*T's & C's and exclusions apply. Please see our delivery page for more information on all our services.
Full Range: Omega Products Standard Reduction Sleeves - Slotted Boring Bar
View full collection →You are viewing OM19191. Click any other SKU to view its full details.
| Product SKU | Outside Diameter | Inside Diameter | D1 | L1 | L2 | L3 | L4 | W | Form | Price | Stock | Order |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| OM20201 | 16 | 10 | 22 | 5 | 40 | 32 | 3 | 7 | A | £14.91 | In Stock | |
| OM20204 | 20 | 12 | 26 | 5 | 50 | 42 | 3 | 9 | A | £16.07 | In Stock | |
| OM19188 | 25 | 14 | 32 | 5 | 50 | 42 | 3 | 10 | A | £18.35 | In Stock | |
| OM20208 | 25 | 16 | 32 | 5 | 50 | 42 | 3 | 10 | A | £18.35 | In Stock | |
| OM19190 | 25 | 18 | 32 | 5 | 50 | 42 | 3 | 10 | A | £18.35 | In Stock | |
| OM19191 Viewing | 25 | 20 | 32 | 5 | 50 | 42 | 3 | 10 | A | £18.35 | In Stock | |
| OM20212 | 32 | 16 | 38 | 5 | 60 | 52 | 3 | 10 | A | £20.64 | In Stock | |
| OM20213 | 32 | 20 | 38 | 5 | 60 | 52 | 3 | 10 | A | £20.64 | In Stock | |
| OM20214 | 32 | 25 | 38 | 5 | 60 | 52 | 3 | 10 | A | £20.64 | In Stock | |
| OM20218 | 40 | 16 | 48 | 5 | 85 | 77 | 2 | 12 | A | £22.95 | In Stock | |
| OM20219 | 40 | 20 | 48 | 5 | 85 | 77 | 2 | 12 | A | £22.95 | In Stock | |
| OM20220 | 40 | 25 | 48 | 5 | 85 | 77 | 2 | 12 | A | £22.95 | In Stock | |
| OM20221 | 40 | 32 | 48 | 5 | 85 | 77 | 2 | 12 | A | £22.95 | In Stock | |
| OM20222 | 50 | 16 | 58 | 8 | 92 | 80 | 4 | 12 | A | £67.68 | In Stock | |
| OM20223 | 50 | 20 | 58 | 8 | 92 | 80 | 4 | 12 | A | £67.68 | In Stock | |
| OM20224 | 50 | 25 | 58 | 8 | 92 | 80 | 4 | 12 | A | £67.68 | In Stock | |
| OM20225 | 50 | 32 | 58 | 8 | 92 | 80 | 4 | 12 | A | £67.68 | In Stock | |
| OM20226 | 50 | 40 | 58 | 8 | 92 | 80 | 4 | 12 | A | £67.68 | In Stock |
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