Made in the USA!
Nominal Bolt Size: 1/2''; Metric bolt size: M12. OD: 1.142'', ID: 0.512'', t: 0.098'', OH: 0.130'', Load LBs @ Flat: 4700
SP Series springs are not pre-stressed. Designed for static bolted applications only. Ideal for heavy bolted applications.
Available in stainless steel
Contact us at mps_amazon@mw-ind.com for more information or to inquire about custom and large quantity quotes.

Technical Details

Product Details

Product Dimensions

Package Dimensions
Width : 6 inch
Height : 6 inch
Length : 6 inch

Item Weight: 0 ounce (View shipping rates and policies)
Shipping Weight: 0 ounce (View shipping rates and policies)

ASIN : B06XGP72X5

Product Description

We are proud to be an American manufacturer! All of our products are tooled and manufactured at our facility in Baltimore, MD.

SP Series belleville washers are:
- used whenever there is a need to overcome the effects of thermal expansion and contraction and are normally manufactured from high carbon or alloy steel material
- designed to maintain preload for Grade 5 / 8 and Class 8.8 /10.9 bolts

About Belleville Disc Springs: Belleville washers/ disc springs are discs with a slight cone shape that deforms to a shorter height when subjected to a load along their axis of symmetry. This elastic deformation characterizes the spring action.