Flat Head Garage Door Carriage Bolts

Compatible with most garage door hardware installations.
Flat head garage door carriage bolts. The carriage bolts feature a square section beneath their smooth domed heads to help prevent spinning during tightening of bolts. Can t find what you re looking for. The threading on these fasteners is 1 4 20 tpi. These nuts and bolts are packaged for use with garage door hardware but are useful with many other applications.
Flat head carriage bolts square neck bolt diameter thread pitch head diameter head height square width square depth a t o d max min max min max min max min 1 4 20 640 590 098 078 260 245 156 125 tolerance on length 0 02 0 04 bolts cap screws flat head carriage bolts low carbon grade 5 description. The flat head design makes this bolt ideal in low profile applications such as signs and garage doors. The neck shape keeps them from turning when tightening a nut. Flat head for a smooth finish when tightened.
Buy single garage door screws or a 10 pack of slotted track bolts and serrated flange nuts. Carriage bolt 1 4 x 1 3 4. Hillman 1 2 in x 3 in galvanized coarse thread exterior carriage bolt 1 count. Find every style of carriage bolt from semi oval head bolts to flat head carriage bolts.
Commonly used in tight spaces with moving parts such as grain elevators and other belting systems elevator bolts have a smooth low profile head that provides a flush fit when installed. 1 4 x 1 3 4 carriage bolt. We offer excellent customer service fast shipping and great selection. Used for wood garage doors and many many other things.
Item 55805 model 812615. As with all our products quantity discounts are available send us an email detailing your needs and we will send you a quick quote. We have garage door springs and garage rail round bolts. Flat head carriages bolts are available in low carbon steel either plain finish or zinc plated.
We specialize in hard to find garage door hardware and fastener sizes. 3 8 16 x 1 carriage bolts round head square neck stainless steel 18 8 full thread plain finish flat point quantity 25 by fastenere 4 2 out of 5 stars 36 14 95 14.