S|P|E|C / SPD®
SPEC® offers the world’s largest inventory of stock springs and spring
washers, with well over 100 million compression, extension, torsion and
constant–force springs, as well as Belleville, finger, wave and curved spring
washers. Complimenting our extensive spring lines, we’ve now added our SPD® Gas
Spring and Hardware lines to the SPEC catalog.
SPD® offers a large inventory of industrial and vehicular hardware, including
Gas Springs, Hinges, Catches, Latches, Handles, Drawer Slides, Rope Rings, Door
Holders, Weather–stripping and specialty items. We offer multi–materials for
Industrial, Marine, Medical, Military, RV, Truck and Trailer markets including a
line of Stainless Steel hardware for corrosive environments.
With SPEC / SPD® you can choose from over 21,000 part numbers, all designed and
produced to the highest standards with immediate availability for shipment.
Why use SPEC® / SPD®?
- Save design work: you do not have to design a unique product for your
application. Simply use the SPEC / SPD® Catalog to identify the part
required. See the catalog below.
- Save delivery time: nearly all our parts are stock items. Your order is
processed and shipped quickly, usually within 24 hours.
- Save money: no setup or tooling charges are involved because each item is
standard.
- Efficiency: ordering online (available for US orders only) is fast and
easy. Use the catalog below to get started.
- Repeatability: again and again our parts meet the same quality
requirements, because the specifications are standard.
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Compression Springs
- Material: Music Wire; Stainless Steel; or 316 Stainless Steel
- Outside diameter: from .047" (1.20mm) to 1.937" (49.2mm)
- Load: from 0.19lb (0.85N) to 353lbs (1569N)
- Free length: .120" (3.05mm) to 6.0" (152.4mm)
- Lengths up to 12.0" (305mm) are available in the Heavy Duty and Continuous Length Spring product lines.
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Extension Springs
- Material: music wire or stainless steel
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Outside diameter: from .063" (1.60mm) to 2.17" (55mm)
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Load: from .27lb (1.18N) to 249lbs (1110N)
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Free length: from .250" (6.35mm) to 14.8" (377mm)
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Extension length: from .34" (8.69mm) to 36.30" (921mm).
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Torsion Springs
- Material: music wire or stainless steel
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Maximum deflection options of 90° 120° 180° 210° 270° 300° and 360° depending upon Material
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Torque: from .047in-lb (5.3N-mm) to 43.0in-lb (4887N-mm)
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Left (L) or Right-hand (R) wound.
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MultiWave Compression Springs
- Material is 17-7 PH Stainless Steel
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Outside Diameters from .375 (9.53mm) to 1.000 inch (25.4mm)
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Fit in shorter spaces than comparable compression springs
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Custom parts available.
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Conical Springs
- Material: stainless steel - Type 302
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Outside diameter (large end): from.360" (9.14mm) to .975" (24.8mm)
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Load at solid: from 5.29lbs (23.5N) to 26.03lbs (115.8N)
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Provides maximum travel with minimum solid height.
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Continuous Length Springs
- Designed to be cut to desired length by user
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Excellent for prototype development or maintenance applications
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Available in 10.0" (254mm) and 18" (457mm) lengths
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Assortments available.
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Garter Springs
- Material: stainless steel - Type 302 or hard drawn steel
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Assembled inside diameter: from 1.1" (28mm) to 8.25" (209.6mm)
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Provided as straight length extension springs in length from 3.5" (88.9mm) to 26.0" (660.4mm).
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Constant Force Springs
- Material: stainless steel - Type 301
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Extended working length: from 12.0" (305mm) to 33.0" (838mm)
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Load: from 0.5lb (2.2N) to 7.0lbs (31.1N)
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Ideal for long extensions with no load build-up.
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Urethane Springs
- Material: 4 standard durometers - 60A 80A 90A and 95A
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Outside diameters: from .688" (17.48mm) to 1.75" (44.5mm)
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Load: from 20lbs (88.9N) to over 1000lbs (4444N+)
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Standard length: from 0.5" (12.7mm) to 3.0" (76.2mm)
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Urethane tubes and rods are 12" (30.5mm) in length.
Tubes available in assortments of varying durometer.
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Belleville and Flat Spring Washers
- Material: carbon and stainless steel
- Outside diameter: from .187" (4.75mm) to 4.47" (113mm)
- Fit bolt or rod diameters from .093" (2.3mm) to 2" (50.8mm)
- Loads: from 5.7lbs (25.4N) to 4612lbs (20514N0).
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Clover® Dome Spring Washers
- Material: stainless steel 17-7-PH or Carbon Steel SAE 1070 to SAE 1074
- Outside diameter: from 0.250in (6.35mm) to 1.07in (27.15mm)
- Inside diameter: from 0.125in (3.18mm) to 0.505in (12.83mm)
- Load: from 4.5lbs (20N) to 371lbs (1650N)
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Gas Springs & Dampers
We also offer free engineering services to help you optimize your choice of hardware.
Note to our customers: the GS gas spring line (chrome-plated rods) is no longer available and has been replaced with our GSNI gas springs (black nitride rods). Please check the GSNI gas spring section on this site for GS replacement parts.
Example:
Old Part number: SPD-GS-2300-60
New Part number: SPD-GSNI-2300-60
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Mechanical Self-Centering Struts
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Mechanical Compression Struts
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Mechanical Extension Struts
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Hinges
Hinges for various industries and applications
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Cam Locks
- A wide variety of cam locks for different applications.
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Handles
- SPD's line of Handles includes steel, acrylic, stamped, recessed, drawer pulls, chest handles and hundreds more! We have over 500 handles in stock and ready to ship!
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Truck and Trailer Hardware
Replacement truck hardware parts
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Mounting Hardware and Brackets
- Brackets
- ball studs and lock nuts
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Pull Knobs
- Pull knobs available in a variety of finishes including zinc alloy and aluminum.
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Recessed Pulls
Made from strong ABS plastic, Pull simply snaps into application cutout, UL94-HB Rated, Panel thinkness range of .030 to .060, 350 lb. maximum load pulling, 350 lb. maximum load lifting, Black is stock; gray is special order
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Recessed T-Handles
Various T-handles and accessories
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Rotary Latches
Latches and accessories
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Heavy Duty Locks/Latches
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Door Checks and Lid Stays
Checks, stays and holders
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Retaining Rings
- Various materials available
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Diameters: from 0.5" (12.7mm) to 4.0" (101.6mm)
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Single or multiple turns
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Designed for housing or shaft applications
- Circlip design available.
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Spring Anchors
- Anchor the ends of extension springs quickly and easily
- Available in low-carbon steel or 18-8 stainless steel
- Coarse and Fine thread choices allow for more adjustment possibilities
- Made in the USA
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Almen Strips
In 3 sizes (A, N and C), available in Premium and Aerospace Grades
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Stock Metric Compression & Extension Springs
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Stock Compression Springs
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Stock Extension Springs
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Stock Belleville Spring Washers
- 28 different assortments:
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Compression
- Extension
- Torsion
- Urethane and Constant Force Springs
- Retaining Rings and Spring Washers
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Ideal for prototype builds and maintenance applications.
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Stock Metric Compression Springs
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Stock Metric Extension Springs
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Stock Wave Spring Washers
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Stock Curved Spring Washers
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Stock Finger Spring Washers
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Stock Torsion Springs
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Stock Continuous Length Springs
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