10pcs M4 Steel Head Square Neck Carriage Screw Bolt for Shelf Desk L= 10-100mm(10mm)
Special Features
- Made from carbon steel with zinc plated outer layer
- Carriage bolt structure for woodworking assembly tasks
- Full thread for sizes shorter than 50mm, half thread over 50mm
- Available specification includes M3×16 and other common sizes to lock onto wooden and sheet metal component
Description
Round large head stays outside workpiece after finished installation
Square neck under head stops bolt spinning during tightening steps
Zinc outer layer limits outside substances touching base carbon steel
Differed thread layout matches varied thickness of assembled boards
Simple mounting steps help users finish wood fixture setup smoothly
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