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John Stewart

All About Fasteners, Chapter Two - Nuts, Bolts, and Screws

SAE Inch Nut Size Chart ISO / DIN Metric Size Nut Chart

In this installment of our discussion about fasteners, we'll travel into the boring but equally as critical properties of nuts and washers. We'll show you the different types of nuts that are common to our assemblies and modifications.

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John Stewart

All About Fasteners, Chapter One - Nuts, Bolts, and Screws

This is the first in a series of articles regarding fasteners. Over the coming months we will discuss bolts, , nuts, washers, specialty fasteners and their applications.Typical Screw and Bolt Configurations

This month our discussion turns to bolts and screws. The purpose of this article is to provide a cursory overview of the common nomenclature, grades and classes, identification of both SAE Inch and ISO / DIN Metric bolts and screws and a short overview of screw threads.

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Steven Lutz

4340 vs. 4340 - What's in your axle?

Superior Axle does have two versions of chromoly axle shafts, the Discovery Series and the Evolution Series. The Discovery Series is their overseas model which is probably closer to 4140 than 4340, understand that it’s not a 'quality of steel' issue but a 'difference in standards', there is no true "4340" used overseas.  They call it something different and it’s close; but, not exactly the same. The Evolution Series is what we’re after, the good stuff, strong beefy home bred axle shafts made right here in L.A.  Superior’s Evolution Series chromoly axle shafts are made right here in the USA.

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Steven Lutz

Why switch from Steel Cable to Synthetic Winchlines? Safety, Strength, & Ease of Handling

Training: While synthetic winch lines are much safer, recovery operations are still dangerous and we encourage all winch owners with steel or synthetic winch lines to attend safety and training classes from certified trainers such as: Bill Burke, Tom Severin, Bruce Elfstrom, Garrett Porter and others. See I4WDTA for more information.

Ease of Handling: Steel winch cables have a tendency to kink, rust, and have very sharp strands once nicked. They also tend to straighten by the nature of the material making them harder to spool back on the winch properly. Our synthetic winchlines have none of these problems. However, synthetic lines are more susceptible to sharp edges (bumpers in particular) and heat, but they are much stronger, safer and easier to work with.

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John Stewart

Basic Wheel Facts

How to measure a wheelThere are several critical measurements to take into account when selecting a wheel or when replacing your stock wheels with aftermarket wheels (wheels and rims being used interchangeably in this article). Among these important measurements are:

Wheel Diameter

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OutdoorWire, 4x4Wire, JeepWire, TrailTalk, MUIRNet-News, and 4x4Voice are all trademarks and publications of OutdoorWire, Inc. and MUIRNet Consulting. Copyright (c) 1999-2019 OutdoorWire, Inc and MUIRNet Consulting - All Rights Reserved, no part of this publication may be reproduced in any form without express written permission. You may link freely to this site, but no further use is allowed without the express written permission of the owner of this material. All corporate trademarks are the property of their respective owners.