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 - Slotted Heavy Hex 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.

Slotted Heavy Hex Nuts are used for general purpose fastening and locking, with greater length of thread engagement.
The slots are for the insertion of a cotter pin or safety wire to secure the nut when used with a drilled shank fastener.
The slotted and castle styles are both interchangeable with the slotted design now the preferred style.

These nuts can also be made with "Left Hand" threads!

        Heavy Hex Slotted Nuts       ANSI B18.2.2    
      F   G H T S Runout
Nominal Size       Width           of
or Basic Major     Across Thickness Unslotted Width of Bearing
Diameter Width Across Flats Corners       Tickness Slot Surface
of Thread Basic Max Min Max Min Basic Max Min Max Min Max Min Max
1/4" 0.2500 1/2" 0.500 0.488 0.577 0.556 15/64" 0.25 0.218 0.15 0.13 0.10 0.07 0.017
5/16" 0.3125 9/16" 0.562 0.546 0.650 0.622 19/64" 0.314 0.280 0.21 0.19 0.12 0.09 0.020
3/8" 0.3750 11/16" 0.688 0.669 0.794 0.763 23/64" 0.377 0.341 0.24 0.22 0.15 0.12 0.021
7/16" 0.4375 3/4" 0.750 0.728 0.866 0.830 27/64" 0.441 0.403 0.28 0.26 0.15 0.12 0.022
1/2" 0.5000 7/8" 0.875 0.850 1.010 0.969 31/64" 0.504 0.464 0.34 0.32 0.18 0.15 0.023
9/16" 0.5625 15/16" 0.938 0.909 1.083 1.037 35/64" 0.568 0.526 0.37 0.35 0.18 0.15 0.024
5/8" 0.6250 1-1/16" 1.062 1.031 1.227 1.175 39/64" 0.631 0.587 0.40 0.38 0.24 0.18 0.025
3/4" 0.7500 1-1/4" 1.250 1.212 1.443 1.382 47/64" 0.758 0.710 0.49 0.47 0.24 0.18 0.027
7/8" 0.8750 1-7/16" 1.438 1.394 1.660 1.589 55/64" 0.885 0.833 0.62 0.59 0.24 0.18 0.029
1" 1.0000 1-5/8" 1.625 1.575 1.876 1.796 63/64" 1.012 0.956 0.72 0.69 0.30 0.24 0.031
1-1/8" 1.1250 1-13/16" 1.812 1.756 2.093 2.002 1-7/64" 1.139 1.079 0.78 0.75 0.33 0.24 0.033
1-1/4" 1.2500 2" 2.000 1.938 2.309 2.209 1-7/32" 1.251 1.187 0.86 0.83 0.40 0.31 0.035
1-3/8" 1.3750 2-3/16" 2.188 2.119 2.526 2.416 1-11/32" 1.378 1.310 0.99 0.95 0.40 0.31 0.038
1-1/2" 1.5000 2-3/8" 2.375 2.300 2.742 2.622 1-15/32" 1.505 1.433 1.05 1.01 0.46 0.37 0.041
1-3/4" 1.7500 2-3/4" 2.750 2.662 3.175 3.035 1-23/32" 1.759 1.679 1.24 1.20 0.52 0.43 0.048

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