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Washer/Capped Washer Type

WasherCappedWasherSD-SF.jpgWasherCappedWasherSP-SG.jpg
WasherCappedWasherDiagSD-SF.jpgWasherCappedWasherDiagSP-SG.jpg


Dimensions

Chrome-Plated Zinc Die Cast Studs Steel Studs
Basic Part Numbers Steel Thick (In.) Hex
Width
W
(In.)
 Washer Diam.  D (In.) Overall
Height
H
(In.)		 Wgt.
Lbs./M		 Stud
Diameter
(In.)*		 Torque
In. Lbs.		 Tension
Lbs.		 Torque
In. Lbs.		 Tension
Lbs.
SD125007 .017 5/16 7/16 .186 1.2 1/8 (.125) 15 90 26 130
SD125085 .017 5/16 17/32 .194 1.5 1/8 (.125) 17 80 30 110
SD188008 .018 3/8 1/2 .217 1.7 3/16 (.188) 38 210 50 330
SD188010 .018 3/8 5/8 .235 2.3 3/16 (.188) 46 160 60 280
SD250095 .021 7/16 19/32 .232 2.5 1/4 (.250) 65 260 95 370
SD250011 .021 7/16 11/16 .247 3.1 1/4 (.250) 75 200 90 300
SF312014 .023 .495 .875 .309 5.2 5/16 (.312) 115 300 165 450
SG250095 .021 .432 .594 .219 2.2 .250 65 260 95 300
SP330012 .023 1/2 3/4 .290 4.0 .330 See Footnote Below        
SP300016 .023 1/2 1 .314 5.8 .330

NOTE: Parts SP330012 and SP300016 are only for use on tough plastic such as ABS or polypropylene for which 45-50 in. lbs. torque develops approximate 100 lb. tension.

*At the tooth-engagement point when the fastener is seated, stud tolerance is .003"

WasherCappedWasherDiagSH-SK.jpgWasherCappedWasherDiagKH-KZ.jpg

For studs with heavy plating of between 0.003" and 0.005" nickel -chrome on die cast zinc, the following styles are recommended.


 Dimensions

Chrome-Plated Zinc Die Cast Studs Steel Studs
Basic Part Numbers Steel Thick (In.) Hex
Width
W
(In.)
 Washer Diam.  D (In.) Overall
Height
H
(In.)		 Wgt.
Lbs./M		 Stud
Diameter
(In.)*		 Torque
In. Lbs.		 Tension
Lbs.		 Torque
In. Lbs.		 Tension
Lbs.
SH188010 .020 3/8 5/8 .244 2.7 3/16 (.188) 46 160 60 280
SK125007 .020 5/16 7/16 .189 1.3 1/8 (.125) 15 90 26 130
SK188008 .020 3/8 1/2 .211 1.7 3/16 (.188) 44 210 60 330
SK188009 .020 3/8 9/16 .229 2.1 3/16 (.188) 46 180 60 300
SK188010 .020 3/8 5/8 .239 2.4 3/16 (.188) 55 160 72 280

*At the tooth-engagement point when the fastener is seated, stud tolerance is .003"

Non-Threaded Palnuts

Washer/Capped Washer Type



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APEX FASTENERS, Inc - 15858 Business Center Drive - Irwindale, CA 91706 USA
APEX Fasteners supplies standard and custom screws, nut retainers, shoulder screws, plastites and taptites, all types of rivets, spring steel fasteners and special stampings, sems screws in standard, fractional or metric to electronics, aviation and other OEM industries worldwide. ApexFasteners.com custom manufactures screw machine components for electronic enclosure hardware as well as cold forming and cold headed specials for assembly and production requirements.
Tel: (626) 962-2219 - info@apexfasteners.com
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