Carmex Thread Turning Holders - Internal - 3.5 Helix Angle
£38.36
These holders are crafted with a 3.5-degree helix angle, tailored to enhance the efficiency and quality of internal threading operations. Their precision engineering ensures accurate and consistent thread cutting, accommodating a variety of thread profiles. Carmex Internal Thread Turning Holders with 3.5 Helix Angle are reliable tools, well-suited for industries like automotive, aerospace, and manufacturing, enabling machinists to achieve precise internal threads with improved chip control and reduced cutting forces due to the optimized helix angle, resulting in higher machining efficiency and quality.

| Product SKU | Type | Internal or External | Minimum Bore | Shank Size | Hand | Overall Length | Insert | Reach | Price | Stock | |
|---|---|---|---|---|---|---|---|---|---|---|---|
| SIR0016P16B-3.5 | 3.5 Helix Angle | Internal | 19 | 20 | Right | 170 | 16IR | 40 | 
                      
                         £38.36  | 
                    
                    
                      
                         5 days  | View product | 
What time are we open?
We are open Monday to Friday and able to dispatch orders between 8am and 5pm (up to 4.30 pm on Fridays).
What delivery services do we offer?
To mainland UK we offer FREE UK next day delivery on all orders above £50 ex vat*. For orders under £50 ex vat we offer the following:
- Royal Mail Tracked 24 - £4.50
 - DPD Standard Next Day - £7.50
 - DPD Next Day Pre 12 - £12.50
 - Royal Mail Special Delivery by 1pm - £12.50
 - DPD Next Day Pre 10am - £20
 
We also offer Saturday delivery for those that require it, if you order before 4.30 pm on a Friday.
*T’s & C’s and exclusions apply. Please see our delivery page for more information on all our services including those outside of mainland UK (Republic of Ireland, Northern Ireland, Scottish Highlands, Channel Islands etc).
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If your item isn’t right, you can send it back with ease. For full details on how to return a product, please visit our returns page.