Flat Springs | McMaster-Carr

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Spring Type

System of Measurement

ID

OD

Shaft Diameter

Thickness

Material

Phosphor Bronze

Polyurethane Rubber

Stainless Steel

Height

Hole Diameter

Screw Size

Width

Compressed Height @ Working Load

Working Load

Less than 1,000 lb.

1,000 lb. to 1,999 lb.

2,000 lb. to 2,999 lb.

3,000 lb. to 9,999 lb.

10,000 lb. or greater

Washer Type

Length

Disc Spring Type

Deflection @ Working Load

Less than 0.125"

0.125" to 0.249"

0.25" to 0.499"

1 mm to 1.99 mm

2 mm to 4.99 mm

5 mm to 9.99 mm

10 mm or greater

RoHS

DFARS Specialty Metals

REACH

Load

Less than 1 lb.

1 lb. to 4.99 lb.

5 lb. to 9.99 lb.

10 lb. to 24.99 lb.

25 lb. or greater

Export Control Classification Number (ECCN)

Overall Height

Finish

Phosphate Coated

Zinc Flake Coated

Zinc Yellow-Chromate Plated

Flat Load

Less than 1,000 lbf

1,000 lbf to 1,999 lbf

2,000 lbf to 9,999 lbf

10,000 lbf to 19,999 lbf

20,000 lbf or greater

Cable Travel

How can we improve?

2,392 Products

Power Transmission

Springs

Apply and absorb force with compression, die, extension, torsion, and disc springs

Constant-Force Retractors

Constant-Force Retractors

Attach an object and the spring controls tension as the object is slowly pulled out and back

Bearing Lock Washers

Bearing Lock Washers

Lock bearing nuts in place to prevent loosening due to vibration

Fastening and Joining

Lock Washers

Resist vibration to prevent fasteners from loosening

The quick brown fox jumped over the lazy dog. Pedestal (35" Ht. x 4" Wd. x 4" Dp.)