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852 Big Sewickley Creek Road
Sewickley, PA, 15143
United States

724-266-3003

Baden Steelbar & Bolt Corporation is a family-owned manufacturer and distributor of fasteners based in Pittsburgh, Pennsylvania.  We provide both stocked and custom anchor bolts, anchor bolt assemblies, threaded rod, bolts, bent bolts, nuts, washers, turnbuckles, clevises and more.  CNC maching, welding, threading.

Nut Dimensions

Dimensions for hex nuts, heavy hex nuts, hex jam nuts and heavy hex nuts.  Thread dimensions and oversizing allowances for hot-dipped galvanized nuts.

Nut Dimensions

 

HEX NUT & JAM NUT DIMENSIONS

nut dimensions

Table N1
HEX NUT DIMENSIONS

Nut Size Hex Nut Heavy Hex Nut
A B (min) C A B (min) C
1/4" 7/16 0.488 7/32 1/2 0.556 15/64
5/16" 1/2 0.557 17/64 9/16 0.622 19/64
3/8" 9/16 0.628 21/64 11/16 0.763 23/64
7/16" 11/16 0.794 3/8 3/4 0.830 27/64
1/2" 3/4 0.840 7/16 7/8 0.969 31/64
9/16" 7/8 0.982 31/64 15/16 1.037 35/64
5/8" 15/16 1.051 35/64 1-1/6 1.175 39/64
3/4" 1-1/8 1.240 41/64 1-1/4 1.382 47/64
7/8" 1-5/16 1.447 3/4 1-7/16 1.589 55/64
1" 1-1/2 1.653 55/64 1-5/8 1.796 63/64
1-1/8" 1-11/16 1.859 31/32 1-13/16 2.002 1-7/64
1-1/4" 1-7/8 2.273 1-1/16 2 2.209 1-7/32
1-3/8" 2-1/16 2.273 1-11/64 2-3/16 2.416 1-11/32
1-1/2" 2-1/4 2.480 1-9/32 2-3/8 2.622 1-15/32
1-5/8" 2-9/16 2.828 1-19/32
1-3/4" 2-3/4 3.035 1-23/32
1-7/8" 2-15/16 3.242 1-27/32
2" 3-1/8 3.449 1-31/32
2-1/4" 3-1/2 3.862 2-13/64
2-1/2" 3-7/8 4.275 2-29/64
2-3/4" 4-1/4 4.688 2-45/64
3" 4-5/8 5.102 2-61/64
3-1/4" 5 5.515 3-3/16
3-1/2" 5-3/8 5.928 3-7/16
3-3/4" 5-3/4 6.341 3-11/16
4" 6-1/8 6.755 3-15/16

Table N2
HEX JAM NUT DIMENSIONS

Nut Size Hex Jam Nut Heavy Hex Jam Nut
A B (min) D A B (min) D
1/4" 7/16 0.488 5/32 1/2 0.556 11/64
5/16" 1/2 0.557 3/16 9/16 0.622 13/64
3/8" 9/16 0.628 7/32 11/16 0.763 15/64
7/16" 11/16 0.768 1/4 3/4 0.830 17/64
1/2" 3/4 0.840 5/16 7/8 0.969 19/64
9/16" 7/8 0.982 5/16 15/16 1.037 21/64
5/8" 15/16 1.051 3/8 1-1/16 1.175 23/64
3/4" 1-1/8 1.240 27/64 1-1/4 1.382 27/64
7/8" 1-5/16 1.447 31/64 1-7/16 1.589 31/64
1" 1-1/2 1.653 35/64 1-5/8 1.796 35/64
1-1/8" 1-11/16 1.859 39/64 1-13/16 2.002 39/64
1-1/4" 1-7/8 2.066 23/32 2 2.209 23/32
1-3/8" 2-1/16 2.273 25/32 2-3/16 2.416 25/32
1-1/2" 2-1/4 2.480 27/32 2-3/8 2.622 27/32
1-5/8" 2-9/16 2.828 29/32
1-3/4" 2-3/4 3.035 31/32
1-7/8" 2-15/16 3.242 1-1/32
2" 3-1/8 3.449 1-3/32
2-1/4" 3-1/2 3.862 1-13/64
2-1/2" 3-7/8 4.275 1-29/64
2-3/4" 4-1/4 4.688 1-37/64
3" 4-5/8 5.102 1-45/64
3-1/4" 5 5.515 1-13/16
3-1/2" 5-3/8 5.928 1-15/16
3-3/4" 5-3/4 6.341 2-1/16
4" 6-1/8 6.755 2-3/16
 

THREAD DIMENSIONS & OVERsIZING ALLOWANCES

For Hot-dipped Galvanized Nuts

Table N3
THREAD DIMENSIONS & OVERSIZING ALLOWANCES

FOR HOT-DIPPED GALVANIZED NUTS
Size & Thread Pitch Diametral Allowance Pitch Diameter
min max
1/4"-20 0.016 0.2335 0.2384
5/16"-18 0.017 0.2934 0.2987
3/8"-16 0.017 0.3514 0.3571
7/16"-14 0.018 0.4091 0.4152
1/2"-13 0.018 0.4680 0.4745
9/16"-12 0.020 0.5284 0.5352
5/8"-11 0.020 0.5860 0.5932
3/4"-10 0.020 0.7050 0.7127
7/8"-9 0.022 0.8248 0.8330
1"-8 0.024 0.9428 0.9516
1-1/8"-8 0.024 1.0678 1.0768
1-1/8"-7 0.024 1.0562 1.0656
1-1/4"-8 0.024 1.1928 1.2020
1-1/4"-7 0.024 1.1812 1.1908
1-3/8"-8 0.027 1.3208 1.3301
1-3/8"-6 0.027 1.2937 1.3041
1-1/2"-8 0.027 1.4458 1.4553
1-1/2"-6 0.027 1.4187 1.4292
1-3/4"-5 0.050 1.6701 1.6817
2"-4.5 0.050 1.9057 1.9181
2-1/4"-4.5 0.050 2.1557 2.1683
2-1/2"-4 0.050 2.3876 2.4011
2-3/4"-4 0.050 2.6376 2.6513
3"-4 0.050 2.8876 2.9015
3-1/4"-4 0.050 3.1376 3.1517
3-1/2"-4 0.050 3.3876 3.4019
3-3/4"-4 0.050 3.6376 3.6521
4"-4 0.050 3.8876 3.9023