Metric Springs | McMaster-Carr

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System of Measurement

Length

Spring Type

OD

ID

Wire Diameter

Compressed Length @ Maximum Load

End Type

Closed and Ground

Spring Rate

Material

Stainless Steel

Shaft Diameter

Hole Diameter

1.000 mm to 1.040 mm

1.5 mm to 1.6 mm

1.600 mm to 1.700 mm

2.5 mm to 2.6 mm

2.600 mm to 2.700 mm

3 mm to 3.65 mm

3.5 mm to 3.6 mm

3.5 mm to 3.65 mm

Load

Less than 10 lb.

10 lb. to 19.9 lb.

20 lb. to 24.9 lb.

25 lb. to 49.9 lb.

50 lb. or greater

Extended Length @ Maximum Load

Specifications Met

Minimum Load

RoHS

Compliant with Exemptions

DFARS Specialty Metals

REACH

Export Control Classification Number (ECCN)

Height

Finish

Black Zinc Plated

Phosphate Coated

Zinc Flake Coated

Zinc Yellow-Chromate Plated

Color

Thickness

0.4 mm to 0.6 mm

Thread Size

How can we improve?

3,436 Products

Power Transmission

Compression Springs

Compression Springs

When squeezed, springs push back to their original length

Extension Springs

Extension Springs

As stretched, springs become increasingly harder to pull

Disc Springs

Maintain tension and separate components on shafts, under bolt heads, and at the ends of valves

Die Springs

Withstand heavy loads with minimal compression in high-impact jobs such as punching and stamping

Gas Spring End Fittings

Gas Spring End Fittings

Connect gas springs to mounting studs and brackets

Gas Spring Mounts

Gas Spring Mounts

Attach gas springs to panels, lids, and doors using a bracket or stud

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

Spring Plungers

Spring Plungers

Apply accurate, consistent pressure for positioning, indexing, and ejecting parts

Hanger Bolts

Suspend pipe and other fixtures with wire or cable ties

Spring Pins

Squeeze and insert into tight holes to hold parts in place with tension

Spring Plunger Drivers

Spring Plunger Drivers

Install spring plungers from the nose end without depressing the nose

Fabricating and Machining

Spring Locating Pins

Spring Locating Pins

Apply side force to workpieces to clamp them in place

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