Product Index

For your convenience, we have listed below all the main SPEC Springs and product families that we offer. Next to each picture, you will see the major characteristics of that particular product family. Should you need more information, please click on the picture you are interested in.

compression springs A

Music Wire - Per ASTM-A228 or AMS 5112. Music wire springs are not recommended for applications where the temperature exceeds 121 deg. C (250 deg F.)
Stainless Steel Type 302 - ASTM-A313 or AMS 5688 spring tempered (chemical & physical only). Stainless steel springs are not recommened for applications where the temperature exceeds 260 deg. C (500 deg. F).

compression springs b

Material: Music wire or stainless steel
Outside Diameter: from .057" (1.45mm) to 1.937" (49.2mm)
Load: From 3.7lb (16.45N) to 2,190lbs (9741N),
Free length: .120" (3.05mm) to 6.0" (152.4mm). Lengths up to 12.0" (305mm)are available in the Heavy Duty and Continuous productlines.

Heavy Duty Compression Springs

Material: chrome silicon
Outside diameter: fits holes from .375" (9.53mm) to 2.0" (50.8mm),
Load: from 3.7lbs (16.45N) to 2,190lbs (9741N)
Free length: from 1.0" (25.4mm) to 12.0" (305mm).

Extension Springs A

Material: music wire or stainless steel,
Outside diameter: from 0.098" (2.5mm) 3.149" (80mm)
Load: from 1.753lb (7.8N) to 1063.17lbs (4729N),
Free length: from 0.31" (7.9mm) to 39.37 " (1000mm),
Extension length: from 0.378" (9.61mm) to 100.39" (2550mm).

Extension Springs B

Material: music wire or stainless steel,
Outside diameter: from 0.063" (1.6mm) 2.0" (50.8mm)
Load: from 0.32lb (1.42N) to 143.12lb (636.6N),
Free length: from 0.31 " (7.9mm) to 39.37 " (1000mm),
Extension length :from 0.378" (9.61mm) to 100.39" (2550mm).

Continuous Extension & Compression Springs

Material: music wire or stainless steel,
Outside diameter: from .094" (2.39mm) to 2.0" (50.8mm),

Torsion Springs Stainless Steel

Material: Stainless steel, maximum deflection options of 90°, 120°, 180°, 210°, 270°, 300° and 360°.
Torque: from .047lb/in (5.3N/mm) to 43.0lb/in (4,887N/mm),
left or right-hand wound.

Conical Compression Springs

Material: stainless steel - Type 302,
Outside diameter (large end): from.360" (9.14mm) to .975" (24.8mm),
Load: from 1.36lbs (6.05N) to 26.03lbs (115.8N),
Provides maximum travel with minimum solid height.

Garter Springs

Material: stainless steel - Type 302,
Assembled inside diameter: from 1.1" (28mm) to 8.25" (209.6mm),
Provided as straight length extension springs in length from 3.5" (88.9mm) to 26.2" (665.4mm).

Constant Force Springs

Material: stainless steel - Type 301,
Extended working length: from 12.0" (305mm) to 33.0" (838mm),
Load: from 0.5lb (2.2N) to 7.0lbs (31.1N),
Ideal for long extensions with no load build-up.

Urethane Springs

Material: 4 standard durometers - 60A, 80A, 90A and 95A,
Outside diameters: from .688" (17.48mm) to 1.75" (44.5mm),
Load: from 20lbs (88.9N) to over 1,000lbs (4,444N+),
Standard length: from 0.5" (12.7mm) to 3.0" (76.2mm),
Urethane tubes and rods are 12" (30.5mm) in length.
Tubes available in assortments of varying durometer.

Wave Spring Washers

Material: carbon and stainless steel
Outside diameter: from.183" (4.6mm) to 7.32" (186mm),
Load: from .25lb (1.1N) to 305lbs (1,354N).

finger washers

Material: carbon steel - SAE 1074,
Fit standard bearing sizes from 16mm to 52mm,
Load: from 0.30lb (1.34N) to 22.93lbs (102N).

Curved Washers

Material: carbon and stainless steel,
Fit screw or rod sizes from .093" (2.36mm) to .75"(19mm),
Load: 1.5lbs (6.6N) to 25lbs (111N) @ 50% deflection.

Belleville Spring Washers

Material: carbon and stainless steel,
Outside diameter: from .187" (4.75mm) to 4" (101.6mm),
Fit bolt or rod diameters from .087" (2mm) to 1.88 " (48mm)

disc spring washers

Material: carbon and stainless steel,
Outside diameter: from .236 " (6mm) to 9.84" (250mm),
Fit bolt or rod diameters from .087" (2mm) to 2.54" (64mm)

High Load Disc Spring Washers

Material: carbon steel C1070 - C1075
Inside Diameter: 2.0mm to 31.00mm
Outside Diameter: 5.0mm to 77.0mm

springs Washers(Flange Applications)

Material: stainless steel 17-7PH
Inside Diameter: 8.4mm to 66.0mm
Outside Diameter: 15.00mm to 114.00mm

Packaged Assortments

different assortments,
Compression, extension, torsion, urethane and constant force springs; retaining rings and spring washers.
Ideal for prototype builds and maintenance applications.

retaining rings

Material: Spring Steel, Commercial - SAE 1070-1090, Military - MIL-S-46049.