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Technical Specification
PRODUCT NUMBER SDHX4813SDHX4213SDPH4219SDHX4819SDPH4819
Type Self-Drilling ScrewSelf-Drilling ScrewSelf-Drilling ScrewSelf-Drilling ScrewSelf-Drilling Screw
Length 13mm13mm19mm19mm19mm
Material SteelSteelSteelSteelSteel
Diameter 4.8mm4.2mm4.2mm4.8mm4.8mm
Diameter Range Up to 10mmUp to 10mmUp to 10mmUp to 10mmUp to 10mm
Finish Zinc platedZinc platedZinc platedZinc platedZinc plated
Format Single sizeSingle sizeSingle sizeSingle sizeSingle size
Length Range Up to 25mmUp to 25mmUp to 25mmUp to 25mmUp to 25mm
Standard DIN 7504K
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Q 1. What size are these self-drilling screws?

A. Each screw measures M4.2 x 13mm.

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

A. They have a pan head with a Phillips drive.

Q 3. Are these screws zinc plated?

A. Yes, each screw is zinc plated for corrosion resistance.

Q 4. What standard are these self-drilling screws manufactured to?

A. They are manufactured to DIN 7504N.

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

A. Each pack contains 100 screws.

Q 6. How are the screws supplied and stored?

A. They are supplied in a resealable bag to keep them organised and protected between uses.

Q 7. Are there other sizes available in this self-drilling screw range?

A. Yes, other variants are available - please see the variants listed on this page for alternative sizes.

Q 8. 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.

Q 9. 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 10. How long does delivery take?

A. Standard UK mainland delivery is 3-5 working days.

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