Machine Bolts

Machine Bolt Sizes

We carry machine bolts (square head bolts) in both 5/8″ and 3/4″ diameters with lengths starting at 6″ all the way up to 36″ in length. No matter your application we have the timber bolt size for you. We also carry a full collection of square washers, square curved washers, round washers and coil lock washers.

Machine Bolt, Timber bolt, Experiential Systems, ESI, Construction, Hardware

Machine Bolt

SC8806 Bolt, square head machine, 5/8″ x 6″ w/ square nut – HDG
SC8808 Bolt, square head machine, 5/8″ x 8″ w/ square nut – HDG
SC8810 Bolt, square head machine, 5/8″ x 10″ w/ square nut – HDG
SC8812 Bolt, square head machine, 5/8″ x 12″ w/ square nut – HDG
SC8814 Bolt, square head machine, 5/8″ x 14″ w/ square nut – HDG
SC8816 Bolt, square head machine, 5/8″ x 16″ w/ square nut – HDG
SC8818 Bolt, square head machine, 5/8″ x 18″ w/ square nut – HDG
SC8820 Bolt, square head machine, 5/8″ x 20″ w/ square nut – HDG
SC8822 Bolt, square head machine, 5/8″ x 22″ w/ square nut – HDG
SC8824 Bolt, square head machine, 5/8″ x 24″ w/ square nut – HDG
SC8826 Bolt, square head machine, 5/8″ x 26″ w/ square nut – HDG
BS8908 Bolt, square head machine, 3/4″ x 8″ w/ square nut – HDG
SC8910-NN Bolt, square head machine, 3/4″ x 10″ w/square nut – HDG
SC8910 Bolt, square head machine, 3/4″ x 10″ w/ square nut – HDG
SC8912 Bolt, square head machine, 3/4″ x 12″ w/ square nut – HDG
SC8914 Bolt, square head machine, 3/4″ x 14″ w/ square nut – HDG
SC8916 Bolt, square head machine, 3/4″ x 16″ w/ square nut – HDG
SC8918 Bolt, square head machine, 3/4″ x 18″ w/ square nut – HDG
SC8920 Bolt, square head machine, 3/4″ x 20″ w/ square nut – HDG
SC8922 Bolt, square head machine, 3/4″ x 22″ w/ square nut – HDG
SC8924 Bolt, square head machine, 3/4″ x 24″ w/ square nut – HDG

Hot Dipped Galvanized Washers

Curved Square Washer, Timber bolt, Experiential Systems, ESI, Construction, Hardware

H.D. Galvanized Square and Curved Square Washers for Oval Eyebolts

Double Coil Lock Washer, Timber bolt, Experiential Systems, ESI, Construction, Hardware

H.D. Galvanized Lock Washers for Oval Eyebolts

Round Washer, Timber bolt, Experiential Systems, ESI, Construction, Hardware

H.D. Galvanized Dock Washers for Timber Bolts

Ogee washer, Timber bolt, Experiential Systems, ESI, Construction, Hardware

H.D. Galvanized Ogee Washers for Timber Bolts

SC6821 Washer, curved square, 2-1/4″ x 3/16″, for 5/8″ bolt – HDG
SC6829 Washer, curved square, 4″ x 4″ x 1/4″, for 7/8″ bolt – HDG
SC1074 Washer, flat square, 2″ x 1/8″ for 5/8″ bolt – HDG
WSFG8902 Washer, flat square, 2″ x 3/16″ for 3/4″ bolt – HDG
SC1076 Washer, flat square, 2-1/4″ x 3/16″ for 3/4″ bolt – HDG
SC1075 Washer, flat square, 2-1/4″ x 3/16″ for 5/8″ bolt – HDG
SC1079 Washer, flat square, 3″  x 1/4″  for 3/4″ bolt – HDG
SC1078 Washer, flat square, 3″ x 3/16″  for 3/4″ bolt – HDG
SC1080 Washer, flat square, 4″ x 3/16″ for 3/4″ bolt – HDG
SC139 Washer, lock, 5/8″ – HDG
WDG88 Washer, NY dock, 3” x 1/4″ for 5/8″ bolt – HDG
WDG89 Washer, NY dock, 3” x 1/4″ for 3/4″ bolt – HDG
WDG91 Washer, NY dock, 3-1/4″ x 1/4″ for 1″ bolt – HDG
WDG91 Washer, NY dock, 3-1/4″ x 1/4″ for 1″ bolt – HDG
WDG93 Washer, NY dock, 3-1/4″ x 1/4″ for 1-1/4″ bolt – HDG
WOGG88 Washer, ogee for 5/8″ bolt – HDG
WOGG89 Washer, ogee for 3/4″ bolt – HDG
WOGG91 Washer, ogee for 1″ bolt – HDG
WRGT8802.5 Washer, round, 2-1/2” x 1/4” for 5/8” bolt –  HDG
WRG8902.5 Washer, round, 2-1/2″ x 1/8″ for 3/4″ bolt – HDG
WRG8802.5 Washer, round, 2-1/2″ x 1/8″ for 5/8″ bolt – HDG
WRG9103 Washer, round, 3″ x 3/16″ for 1″ bolt – HDG

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