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Carmex Screw -S21

Carmex Screw -S21

SKU:S21

Carmex Screw -S21 is a precision-fastening screw designed specifically for Carmex Holders. It securely joins the inserts and holders, delivering a tight, stable fit that minimizes movement during... Read more ↓
TypeScrew
Part NumberS21
View all specifications ↓
£1.75
per item · pack of 10
Prices shown ex. VAT
In Stock— only 2 left
Sold in packs of 10
View Other Sizes →
Free delivery over £50 ex VAT
Secure checkout
14-day returns
30+ years expertise
Klarna
Pay in 3 interest-free instalments. No extra cost if paid on time. 18+ only.
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Speak to our team
01732 887334
Mon – Thurs 8:30 – 17:30 · Fri 8:30 – 16:30

Description

Carmex Screw -S21 is a precision-fastening screw designed specifically for Carmex Holders. It securely joins the inserts and holders, delivering a tight, stable fit that minimizes movement during machining. Made from high-quality materials, these screws are built to resist wear and deliver dependable performance through demanding operations.

  • Secure, vibration-minimizing connection: The precisely threaded design creates a solid bond between the holder and insert, reducing movement and chatter for cleaner cuts and improved accuracy.
  • Fast, reliable tool changes: With compatible Carmex Holders and easy-to-tighten threading, swapping inserts is quick and secure, keeping your workflow flowing.
  • Durable, wear-resistant construction: Built from high-quality materials to withstand repeated clamping cycles and machining debris, delivering long life and consistent performance.

By using the Carmex Screw -S21, you ensure a dependable connection that supports precise alignments, reduces downtime, and helps you achieve repeatable results across jobs. The screw’s robust build maintains clamping force under demanding conditions, contributing to smoother setups, fewer adjustments, and extended tool life.

Part Numbers

Protool Part Number
S21
Brand
Carmex
Category
Thread Turning
No downloads are attached to this product yet.
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.

Ask our technical team about this tool

Not sure if this is the right tool for your job? Ask us about speeds and feeds, material suitability, holders or alternatives — 30+ years of machining experience on the other end.

Prefer to talk? Call 01732 887334 — Mon–Thurs 8:30–17:30, Fri 8:30–16:30.

Full Range: Carmex Screws

View full collection →

You are viewing S21. Click any other SKU to view its full details.

Product SKUTypePart NumberPriceStock Order
S06 ScrewS06£1.85 per item · pack of 10In Stock
Sold in packs of 10
S08 ScrewS08£1.85 per item · pack of 10In Stock
Sold in packs of 10
S10 ScrewS10£2.00 per item · pack of 105 days
Sold in packs of 10
S11 ScrewS11£1.95 per item · pack of 10In Stock
Sold in packs of 10
S12 ScrewS12£1.85 per item · pack of 10In Stock
Sold in packs of 10
S14 ScrewS14£1.85 per item · pack of 10In Stock
Sold in packs of 10
S16 ScrewS16£1.95 per item · pack of 105 days
Sold in packs of 10
S16S ScrewS16S£1.70 per item · pack of 10In Stock
Sold in packs of 10
S21 ViewingScrewS21£1.75 per item · pack of 10In Stock
Sold in packs of 10
S22 ScrewS22£2.95 per item · pack of 105 days
Sold in packs of 10
S22S ScrewS22S£2.80 per item · pack of 105 days
Sold in packs of 10
S27 ScrewS27£3.95 per item · pack of 105 days
Sold in packs of 10
S30 ScrewS30£3.75 per item · pack of 10In Stock
Sold in packs of 10
S35 ScrewS35£4.85 per item · pack of 10In Stock
Sold in packs of 10
S26PD ScrewS26PD£6.65 per item · pack of 105 days
Sold in packs of 10

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