Feature

●Thickness = 7/8 inch (about 22.2 mm)
●Thread part = Wit [Pitch: Approx. 1.1 inches (2.82 mm].
●Note on product images) This is a representative size image. Length of each part such as engraving, thread portion, pitch, etc. varies by size.
●Note: Please be sure to check the drawing for the size and other items.

[W7 | 8]



[W1 | 2]



[W5 | 8]



[W3 | 4]



[W3 | 8]




Description

■ Thread Shape: Wit

The Wit Standard is the UK standard. Unlike other standards, the thread angle is 55° and the pitch is roughness than the nations most standard pitch (coarse) prescribed by ISO (International Organization for Standardization) standards.
■Material: Iron

Iron is steel. Steel is an alloy of iron containing less than 2% carbon.
Although it is commonly used in many circulations, it is cheap materials, but due to the downside of it is easy to rust, many surface treatments will reduce corrosion.
■Surface treatment: Chromate

Chromate-treated for corrosion resistance
Chromate coating is more corrosion resistant than unichrome It contains harmful hexavalent chromium and does not comply with RoHS directive. The alternative is trivalent white.
Shades are "Tan".
Product Features:

How to use
● Use it on top of regular nuts that have been tightened.
After tightening the nut, tighten the idaling up by hand until the top of the nut, then use a wrench to adjust the circumference
Tighten 1/4 to 1/3

Features
The friction creates a loosening effect as it digges into the screw part of the bolt into a wedge.
The structure is simple, so you can measure the weight.