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| SERVICE | DELIVERY PRICE | DELIVERY TIME |
|---|---|---|
| Standard Delivery | £22.95 | 7 to 10 working days |
| SERVICE | DELIVERY PRICE | DELIVERY TIME |
|---|---|---|
| Standard Delivery | £22.95 | 7 to 10 working days |
| SERVICE | DELIVERY PRICE | DELIVERY TIME |
|---|---|---|
| Standard Delivery | £4.99 | 2 to 4 working days |
| Next Day | £9.99 |
| SERVICE | DELIVERY PRICE | DELIVERY TIME |
|---|---|---|
| Standard Delivery | £22.95 | 5 to 7 working days |
Product Number: IS3421
Variations
Standard sockets are not built to absorb the high-torque shock loads produced by air impact wrenches using the wrong socket risks rounding fasteners or shattering the socket entirely. The Sealey IS3421 is a 21mm, standard-depth impact socket on a 3/4" square drive, engineered specifically for use with air impact wrenches. It is drop-forged from Chrome Molybdenum steel, then hardened and tempered for added strength. The WallDrive® profile maximises contact with the fastener to reduce wear and the risk of rounding. A phosphate finish provides greater corrosion resistance for long service life in demanding workshop environments. Part of Sealey's Premier Hand Tools range, which is designed for daily professional use, the IS3421 is backed by a lifetime guarantee*.
Key Features:PartsForMachines is a premier e-commerce platform, founded in 2019 in Warwickshire, UK, specializing in aftermarket parts and services for construction, agriculture, and industrial machinery. We offer an extensive catalog of over 500,000 products. Standard delivery: 1–3 working days within UK mainland. We are proud to be an authorised distributor, giving customers extra confidence when purchasing genuine products from us. In addition, we provide a 30-day return policy for eligible items.
| Model No | IS3421 |
|---|---|
| Brand | Premier |
| Depth | Standard |
| Drive | 3/4"Sq |
| Material | Chrome Molybdenum |
| Nett Weight | 0.34kg |
| Size | 21mm |
| Engine Parts | Product Number | Product Name | Recommended Units | Product Price |
|---|
Standard Delivery: £4.99
Next Day Delivery Available
Delivery Estimate: 2 to 4 working days
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| Technical Specification | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| PRODUCT NUMBER | IS3417 | IS3417D | IS3419 | IS3419D | IS133 | IS3810 | APA30/32 | 06867 | 05050 | 05055 |
A. The IS3421 is a 21mm impact socket with a 3/4" square drive and standard depth.
A. It is drop-forged from Chrome Molybdenum steel, hardened and tempered for added strength.
A. Yes, the IS3421 is specifically designed for use with air impact wrenches.
A. WallDrive® is a socket profile that maximises the contact area with the fastener, which helps reduce wear on both the socket and the fastener and lowers the risk of rounding under high torque.
A. Yes, the IS3421 is backed by a lifetime guarantee*.
A. Yes, IS3421D is the deep-drive variant of this socket. Both are part of the same Premier Impact Socket range.
A. Yes. Alternative sockets in this range include IS3417 and IS3417D (17mm) and IS3419 and IS3419D (19mm). Please check individual listings for full specifications.
A. The IS3421 has a phosphate finish which provides greater corrosion resistance.
A. Every product comes with a different guarantee and warranty. Warranty details are shown in the product's tech specs or datasheet where available.
A. WhatsApp us on 07754 288583 with photos of the item and packaging, and we'll resolve the issue in line with our returns policy.
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