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Technical Specification
PRODUCT NUMBER BST4213BST4813BST3513BST4216BST4816
Type Self-Tapping ScrewSelf-Tapping ScrewSelf-Tapping ScrewSelf-Tapping ScrewSelf-Tapping Screw
Length 13mm13mm13mm16mm16mm
Material SteelSteelSteelSteelSteel
Diameter 4.2mm4.8mm3.5mm4.2mm4.8mm
Diameter Range Up to 10mmUp to 10mmUp to 10mmUp to 10mmUp to 10mm
Finish BlackBlackBlackBlackBlack
Format Single sizeSingle sizeSingle sizeSingle sizeSingle size
Length Range Up to 25mmUp to 25mmUp to 25mmUp to 25mmUp to 25mm
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Q 1. What size are these self tapping screws?

A. These screws measure 3.5 x 10mm.

Q 2. How many screws come in the pack?

A. The BST3510 is supplied as a pack of 100 screws.

Q 3. What type of head do these screws have?

A. They feature a flanged Pozi head.

Q 4. What finish or colour are these screws?

A. The screws are black.

Q 5. Are these screws manufactured to a British Standard?

A. Yes, they are manufactured to BS 4174.

Q 6. How are the screws supplied - will they stay organised in storage?

A. They are supplied in a resealable bag to help keep them contained between uses.

Q 7. 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 8. 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 9. What warranty does this product come with?

A. Every product comes with a different guarantee and warranty. Warranty details are shown in the product's tech specs or datasheet where available.

Q 10. When will my order be dispatched?

A. In-stock orders placed before 14:30 Monday to Friday are usually dispatched the same day.

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