The carriage bolts and nuts in this set are constructed of steel, and each come in a zinc-plated finish. The threading on these fasteners is 1/4 in.-20 teeth per in. (TPI), and they measure 1/4 in. diameter x 1-7/8 in. length. The carriage bolts feature a square section beneath their smooth, domed heads to help prevent spinning during tightening of bolts. These nuts and bolts are packaged for use with garage door hardware, but are useful with many other applications.
- Compatible with most garage door hardware installations
- The threading on these fasteners is 1/4-20 TPI
- This set includes 12 carriage bolts and 12 nuts
- Steel constructed nuts and carriage bolts
- Zinc-plated nuts and bolts
- Smooth, domed heads
- These carriage bolts feature a square section beneath the head which helps prevent them from spinning during tightening of nuts
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Model GD 52103
