Product Review

Specification:
Type:Insert Nut.
Material: Zinc Alloy.
Size: 1/4"-20x10mm,1/4"-20x15mm,5/16"-18x15mm,5/16"-18x20mm,3/8"-16x25mm.
Quantity: 30 PCS in total:
Size --------------- Quantity
1/4"-20x10mm --------5PCS
1/4"-20x15mm--------9 PCS
5/16"-18x15mm-------6 PCS
5/16"-18x20mm--------5 PCS
3/8"-16x25mm ---------5 PCS

Description:
Use: pre-drilling (drilling a suitable hole), the use of hexagon tools can be completed by screw-in work.External thread adopts unique self-tapping design, which is helpful for better tapping and has good tension resistance, and can effectively prevent stripping.
Application: suitable for pine, wood-based panel, fiberboard, etc.

Usage:
1. pre-drilling, the use of tools to drill a proper size of the hole, the following is drilling specifications reference, when the corresponding material hardness is higher, please slightly increase the hole opened in the drilling range, in the wood end nut can be clamped with vise or clamp on both sides of the board, can effectively reduce cracking.
1/4"-20x10mm, the recommended diameter of the hole is 9.6 0.2mm, and the depth of the hole is about 13mm.
1/4"-20x15mm, the recommended diameter of the hole is 9.6 0.2mm, and the depth of the hole is about 18mm.
5/16"-18x15mm, the recommended diameter of the hole is 12 0.2mm, and the depth of the hole is about 18mm.
5/16"-18x20mm, the recommended diameter of the hole is 12 0.2mm, and the depth of the hole is about 23mm.
3/8"-16x25mm, the recommended diameter of the hole is 14.3 0.3mm, and the depth of the hole is about 30mm.
2. screw in with internal hex tool.