Product Review
Size:
Internal Thread Size: 3/8"-16; Nut External Diameter: 15.3mm, Length: 25mm
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.
1/4"-20x15mm, Suggest that the diameter of the hole is 9.6 +/- 0.2mm, the length is about 18mm;
1/4"-20x25mm, Suggest that the diameter of the hole is 9.6 +/- 0.2mm, the length is about 30mm;
3/8"-16x25mm, Suggest that the diameter of the hole is 14.3 +/- 0.3mm, 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.










