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Technical Specification
PRODUCT NUMBER ST4838ST6338ST4225BST4225BST4825
Type Self-Tapping ScrewSelf-Tapping ScrewSelf-Tapping ScrewSelf-Tapping ScrewSelf-Tapping Screw
Length 38mm38mm25mm25mm25mm
Material SteelSteelSteelSteelSteel
Diameter 4.8mm6.3mm4.2mm4.2mm4.8mm
Diameter Range Up to 10mmUp to 10mmUp to 10mmUp to 10mmUp to 10mm
Finish BlackBlack
Format Single sizeSingle sizeSingle sizeSingle sizeSingle size
Length Range 26-50mm26-50mmUp to 25mmUp to 25mmUp to 25mm
Pieces 100
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Q 1. What size are these self tapping screws?

A. They are 4.2 x 38mm.

Q 2. What head type and drive do these screws have?

A. They have a countersunk Pozi head.

Q 3. What standard are these screws manufactured to?

A. They are manufactured to DIN 7982.

Q 4. How are the screws supplied and stored?

A. They come in a resealable bag, helping to keep them organised and protected between uses.

Q 5. How many screws are included in the pack?

A. The pack contains 100 screws.

Q 6. Are other sizes available in the same range?

A. Yes, variants are available. ST4219 and ST4225 are other sizes within the same product family.

Q 7. What payment methods do you accept?

A. We accept all major credit and debit cards, along with PayPal.

Q 8. Can I ask questions about this product before ordering?

A. Yes - WhatsApp us on 07754 288583 with any questions about specifications, suitability, or compatibility, and we'll help you choose the right product.

Q 9. What if my order arrives damaged or incorrect?

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.

Q 10. What is your returns policy?

A. We accept returns within 30 days of purchase for items that are unused, undamaged, and in their original packaging. Returns are available only for UK-delivered orders and must include proof of purchase. Before returning an item, please contact us at [email protected] to obtain a Return Merchandise Number (RMN). You may also be asked to share images of the product and its packaging for verification. Items that do not meet these conditions will not be accepted for return. If your return is approved, we will initiate a refund to your credit card or original method of payment. A restocking fee of up to 15% of the order value may apply to each returned item.

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