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 $2.25
SC8808 Bolt, square head machine, 5/8″ x 8″ w/ square nut – HDG $2.95
SC8810 Bolt, square head machine, 5/8″ x 10″ w/ square nut – HDG $3.25
SC8812 Bolt, square head machine, 5/8″ x 12″ w/ square nut – HDG $3.75
SC8814 Bolt, square head machine, 5/8″ x 14″ w/ square nut – HDG $4.00
SC8816 Bolt, square head machine, 5/8″ x 16″ w/ square nut – HDG $4.45
SC8818 Bolt, square head machine, 5/8″ x 18″ w/ square nut – HDG $4.95
SC8820 Bolt, square head machine, 5/8″ x 20″ w/ square nut – HDG $5.05
SC8822 Bolt, square head machine, 5/8″ x 22″ w/ square nut – HDG $5.55
SC8824 Bolt, square head machine, 5/8″ x 24″ w/ square nut – HDG $5.95
SC8826 Bolt, square head machine, 5/8″ x 26″ w/ square nut – HDG $6.50
BS8908 Bolt, square head machine, 3/4″ x 8″ w/ square nut – HDG $3.75
SC8910-NN Bolt, square head machine, 3/4″ x 10″ w/square nut – HDG $4.25
SC8910 Bolt, square head machine, 3/4″ x 10″ w/ square nut – HDG $4.55
SC8912 Bolt, square head machine, 3/4″ x 12″ w/ square nut – HDG $4.95
SC8914 Bolt, square head machine, 3/4″ x 14″ w/ square nut – HDG $5.25
SC8916 Bolt, square head machine, 3/4″ x 16″ w/ square nut – HDG $5.80
SC8918 Bolt, square head machine, 3/4″ x 18″ w/ square nut – HDG $6.10
SC8920 Bolt, square head machine, 3/4″ x 20″ w/ square nut – HDG $6.50
SC8922 Bolt, square head machine, 3/4″ x 22″ w/ square nut – HDG $7.00
SC8924 Bolt, square head machine, 3/4″ x 24″ w/ square nut – HDG $7.25

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 $0.45
SC6829 Washer, curved square, 4″ x 4″ x 1/4″, for 7/8″ bolt – HDG $1.10
SC1074 Washer, flat square, 2″ x 1/8″ for 5/8″ bolt – HDG $0.35
WSFG8902 Washer, flat square, 2″ x 3/16″ for 3/4″ bolt – HDG $0.40
SC1076 Washer, flat square, 2-1/4″ x 3/16″ for 3/4″ bolt – HDG $0.45
SC1075 Washer, flat square, 2-1/4″ x 3/16″ for 5/8″ bolt – HDG $0.45
SC1079 Washer, flat square, 3″  x 1/4″  for 3/4″ bolt – HDG $0.85
SC1078 Washer, flat square, 3″ x 3/16″  for 3/4″ bolt – HDG $0.90
SC1080 Washer, flat square, 4″ x 3/16″ for 3/4″ bolt – HDG $1.00
SC139 Washer, lock, 5/8″ – HDG $0.25
WDG88 Washer, NY dock, 3” x 1/4″ for 5/8″ bolt – HDG $0.80
WDG89 Washer, NY dock, 3” x 1/4″ for 3/4″ bolt – HDG $0.85
WDG91 Washer, NY dock, 3-1/4″ x 1/4″ for 1″ bolt – HDG $0.95
WDG91 Washer, NY dock, 3-1/4″ x 1/4″ for 1″ bolt – HDG $0.95
WDG93 Washer, NY dock, 3-1/4″ x 1/4″ for 1-1/4″ bolt – HDG $0.95
WOGG88 Washer, ogee for 5/8″ bolt – HDG $0.80
WOGG89 Washer, ogee for 3/4″ bolt – HDG $0.98
WOGG91 Washer, ogee for 1″ bolt – HDG $1.70
WRGT8802.5 Washer, round, 2-1/2” x 1/4” for 5/8” bolt –  HDG $0.70
WRG8902.5 Washer, round, 2-1/2″ x 1/8″ for 3/4″ bolt – HDG $0.50
WRG8802.5 Washer, round, 2-1/2″ x 1/8″ for 5/8″ bolt – HDG $0.55
WRG9103 Washer, round, 3″ x 3/16″ for 1″ bolt – HDG $0.60

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