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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 | £5.99 | 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: BST4225
When standard fixings fall short or you need a reliable self-tapping solution for sheet metal, plastic, or similar substrates, having the right screw on hand makes all the difference. The Sealey BST4225 is a black self-tapping screw with a flanged Pozi head, measuring 4.2 x 25mm. Manufactured to BS 4174, these screws meet a recognised British Standard for self-tapping fasteners. The flanged head provides a wider bearing surface, reducing the risk of pull-through, while the Pozi drive ensures positive engagement with compatible bits. Supplied in a resealable bag in a pack of 100, making storage and repeated use straightforward.
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 | BST4225 |
|---|---|
| Brand | Sealey |
| Nett Weight | 0.23kg |
| Pack Qty | 100 |
| Size | 4.2 x 25mm |
| Engine Parts | Product Number | Product Name | Recommended Units | Product Price |
|---|
Standard Delivery: £5.99
Next Day Delivery Available
Delivery Estimate: 2 to 4 working days
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| Technical Specification | |||||
|---|---|---|---|---|---|
| PRODUCT NUMBER | ST4225 | BST4825 | ST3525 | ST4219 | BST4219 |
| Type | Self-Tapping Screw | Self-Tapping Screw | Self-Tapping Screw | Self-Tapping Screw | Self-Tapping Screw |
| Length | 25mm | 25mm | 25mm | 19mm | 19mm |
| Material | Steel | Steel | Steel | Steel | Steel |
| Diameter | 4.2mm | 4.8mm | 3.5mm | 4.2mm | 4.2mm |
| Diameter Range | Up to 10mm | Up to 10mm | Up to 10mm | Up to 10mm | Up to 10mm |
| Finish | Black | Black | |||
| Format | Single size | Single size | Single size | Single size | Single size |
| Length Range | Up to 25mm | Up to 25mm | Up to 25mm | Up to 25mm | Up to 25mm |
| Pieces | 100 | ||||
| Show More | |||||
A. Each screw measures 4.2 x 25mm.
A. The BST4225 has a flanged Pozi head.
A. The BST4225 is manufactured to BS 4174.
A. The BST4225 is supplied as a pack of 100 screws.
A. They are supplied in a resealable bag for convenient storage and repeated access.
A. Yes. Other variants in this range include the BST4213 (4.2 x 13mm), BST4216 (4.2 x 16mm), and BST4219 (4.2 x 19mm), all in the same flanged Pozi black self-tapping design.
A. Yes. Parts for Machines supplies genuine Sealey products.
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.
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. Standard UK mainland delivery is 3-5 working days.
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