The Stanlok Group manufacturer of special nuts, nuts, metric nuts, taper pins, metric taper pins, fasteners, fastener assortments, distributor of washers, lock washers, woodruff keys, cotter pins and spring pins sae SAE
Stanlok, manufacturer of special nuts, nuts, metric nuts, taper pins, metric taper pins, distributor of fasteners, fastener assortments, washers, lock washers, woodruff keys, cotter pins and spring pins sae SAE
Stanlok, manufacturer of special nuts, nuts, metric nuts, taper pins, metric taper pins, fasteners, fastener assortments, distributor of washers, lock washers, woodruff keys, cotter pins and spring pins sae SAEStanlok, manufacturer of special nuts, nuts, metric nuts, taper pins, metric taper pins, fasteners, fastener assortments, distributor of washers, lock washers, woodruff keys, cotter pins and spring pins sae SAEStanlok, manufacturer of special nuts, nuts, metric nuts, taper pins, metric taper pins, fasteners, fastener assortments, distributor of washers, lock washers, woodruff keys, cotter pins and spring pins sae SAEStanlok, manufacturer of special nuts, nuts, metric nuts, taper pins, metric taper pins, fasteners, fastener assortments, distributor of washers, lock washers, woodruff keys, cotter pins and spring pins sae SAEStanlok, manufacturer of special nuts, nuts, metric nuts, taper pins, metric taper pins, fasteners, fastener assortments, distributor of washers, lock washers, woodruff keys, cotter pins and spring pins sae SAEStanlok, manufacturer of special nuts, nuts, metric nuts, taper pins, metric taper pins, fasteners, fastener assortments, distributor of washers, lock washers, woodruff keys, cotter pins and spring pins sae SAE
We Accept
We accept Amex MC and Visa on orders of all products including nuts, special nuts, metric nuts, taper pins, metric taper pins, washers, lock washers, fasteners and fastener assortments sae SAE
$50 Minimum Order
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Stanlok, manufacturer of special nuts, nuts, metric nuts, taper pins, metric taper pins, distributor of fasteners, fastener assortments, washers, lock washers, woodruff keys, cotter pins and spring pins sae SAEThe Stanlok Group - Standard Lock Washer & Mfg. - New England Specialty Nut - Nuts Incorporated - Ramar Nuts, Inc.Stanlok, manufacturer of special nuts, nuts, metric nuts, taper pins, metric taper pins, distributor of fasteners, fastener assortments, washers, lock washers, woodruff keys, cotter pins and spring pins sae SAE

Special Nuts - Hex Jam Nut Size Chart

Materials Include: 18-8 ss, 316 ss, 400 series ss, Brass, Silicone Bronze, Monel, Carbon Steels, Alloy Steels, Aluminum.
Finishes Include: Zinc, Cadmium, Nickel Silver & Chrome Plating, Black Oxide, Anodize, Passivation and Heat Treating.

Hex Jam Nuts are used in combination with a finished hex nut to keep the nut from lossening.
A jam nut is typically 2/3'ds the thickness of it's respective hex nut series counterpart.

These nuts can also be made with
"Left Hand" threads!
      F   G     H  
Nominal or Basic Major Width Across Flats Width Across Corners Thickness of Hex Nuts
Diameter of Thread Basic Max Min Max Min Basic Max Min
1/4" 0.2500 7/16" 0.438 0.428 0.505 0.488 5/32" 0.163 0.150
5/16" 0.3125 1/2" 0.500 0.489 0.577 0.557 3/16" 0.195 0.180
3/8" 0.3750 9/16" 0.562 0.551 0.650 0.628 7/32" 0.227 0.210
7/16" 0.4375 11/16" 0.688 0.675 0.794 0.768 1/4" 0.260 0.240
1/2" 0.5000 3/4" 0.750 0.736 0.866 0.840 5/16" 0.323 0.302
9/16" 0.5625 7/8" 0.875 0.861 1.010 0.982 5/16" 0.324 0.301
5/8" 0.6250 15/16" 0.938 0.922 1.083 1.051 3/8" 0.387 0.363
3/4" 0.7500 1-1/8" 1.125 1.088 1.299 1.240 27/64" 0.446 0.398
7/8" 0.8750 1-5/16" 1.312 1.269 1.516 1.447 31/64" 0.510 0.458
1" 1.0000 1-1/2" 1.500 1.450 1.732 1.653 35/64" 0.575 0.519
1-1/8" 1.1250 1-11/16" 1.688 1.631 1.949 1.859 39/64" 0.639 0.579
1-1/4" 1.2500 1-7/8" 1.875 1.812 2.165 2.066 23/32" 0.751 0.687
1-3/8" 1.3750 2-1/16" 2.062 1.994 2.382 2.273 25/32" 0.815 0.747
1-1/2" 1.5000 2-1/4" 2.250 2.175 2.598 2.480 27/32" 0.880 0.808
1-3/4" 1.7500 2-5/8" 2.625 2.538 3.031 2.893 31/32" 1.009 0.929
2" 2.0000 3" 3.000 2.900 3.464 3.306 1-3/32" 1.138 1.050
2-1/4" 2.2500 3-1/2" 3.500 3.388 4.041 3.862 1-13/64" 1.251 1.155
2-1/2" 2.5000 3-7/8" 3.875 3.750 4.474 4.275 1-29/64" 1.505 1.401

For Special Nut dimensions, materials etc. - Call, fax or email your prints for prompt quotation!
The Stanlok Group - Standard Lock Washer & Mfg - New England Specialty Nut - Nuts Incorporated - Ramar Nuts, Inc. We are a Domestic Manufacturer" of Special Nuts in hex/square/round bar stock, from 1/8" to 3" across the flats, #2 thread thru 2". We also manufacture "Taper Pins" including stainless and carbon steel taper pins, AN386 taper pins, carbon and stainless steel threaded taper pins, metric taper pins and taper pin reamers. As a job shop, our special niche includes runs from 100 to 100,000 pcs! Contact us for quotations on larger volume runs as well.

We are also a "Master Distributor" of flat washers, tooth lock washers, split lock washers, helical spring lock washers, woodruff keys, dowel pins, cotter pins, spring/split pins and fastener assortments.
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Stanlok, manufacturer of special nuts, nuts, metric nuts, taper pins, metric taper pins, fasteners, fastener assortments, distributor of washers, lock washers, woodruff keys, cotter pins and spring pins sae SAE
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Stanlok, manufacturer of special nuts, nuts, metric nuts, taper pins, metric taper pins, fasteners, fastener assortments, distributor of washers, lock washers, woodruff keys, cotter pins and spring pins sae SAE Stanlok, manufacturer of special nuts, nuts, metric nuts, taper pins, metric taper pins, fasteners, fastener assortments, distributor of washers, lock washers, woodruff keys, cotter pins and spring pins sae SAE washers flat washers washers tooth lock washers split lock washers helical spring lock washers woodruff keys special pins dowel pins special pins cotter pins special pins spring and split pins fastener assortments manufacturer of special nuts manufacturer of taper pins