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LQ Industrial 30pcs 5/16"-18 20mm Furniture Screw-in Nut Carbon Steel Color Zinc Plated Bolt Fastener Connector Hex Socket Drive Threaded Insert Nuts for Wood Furniture

Product ID: B07K2P3PMV Condition: New

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Product Description

Material: Made of high quality carbon steel, high hardness and perfect wear resistance, standard internal hex socket, without burr, smooth, non-slip.
Color: Color zinc, adopting color zinc plated to prevent rusting.
Usage: Pre-drill (drill a proper hole, suggest 12 +/- 0.2mm), screw in with internal hex tool. Unique self-tapping designed external thread, contribute to tapping, with good tensile resistance, can effectively prevent stripped.
Applications: Suitable for hard wood, such as solid wood, have a good effect in the advanced furniture combination.
Quantity and Size: Pack of 30pcs, Internal thread size: 5/16"-18, nut external diameter: 12mm, length: 20mm.

Size:
Internal Thread Size: 5/16"-18; Nut External Diameter: 12mm, Length: 20mm

How to Use:
1. Pre-drill, drill a well-sized hole first with tools, the following is drilling specification reference, when the material is high-hardness, please enlarge the hole.
5/16"-18x12mm, Suggest that the diameter of the hole is 12 +/- 0.2mm, the length is about 16mm;
5/16"-18x15mm, Suggest that the diameter of the hole is 12 +/- 0.2mm, the length is about 20mm;
5/16"-18x20mm, Suggest that the diameter of the hole is 12 +/- 0.2mm, the length is about 25mm;
5/16"-18x25mm, Suggest that the diameter of the hole is 12 +/- 0.2mm, the length is about 30mm;
2. Use the proper internal hex tool to screw in. Warm tips: You can use vise or clip to clamp the both sides while inserting the nuts to wooden board, which can effectively reduce cracking.