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Technical Specification
PRODUCT NUMBER 004920050900260002860080600814005330082200541008300043400442005670084800450
Drive Size (Inch) 3/43/43/83/83/41/23/83/43/43/43/43/43/43/43/4
Length (mm) 2003738414246

Q 1. What drive size and imperial size does the Draper 16551 socket use?

A. The Draper Expert 16551 is a 7/16" imperial socket with a 3/8" square drive.

Q 2. What material is the Draper Expert 16551 socket made from?

A. It is manufactured from chrome vanadium steel that has been hardened and tempered, with a micro satin finish for corrosion protection.

Q 3. What standards does the Draper Expert 16551 socket meet?

A. The socket is manufactured and tested generally in accordance with DIN 3124 and ISO 2725-1 specifications.

Q 4. Why does the Draper Expert 16551 use a 6 point design?

A. The 6 point contact geometry distributes load evenly across the flats of the fastener, which reduces the risk of rounding under high torque.

Q 5. What is the knurled ring on the Draper Expert 16551 for?

A. The knurled ring on each socket provides a positive grip when fitting or removing the socket by hand.

Q 6. 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.

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