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Thread: Factor 55 Winch Lock Security Bolt Kit IN STOCK at Rockridge 4WD! Keep her safe! Reply to Thread
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Topic Review (Newest First)
01-09-2014 07:51 PM
Rockridge 4wd
IN stock at Rockridge 4wd and ready to ship to your door!

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12-27-2013 07:45 PM
Rockridge 4wd
Factor 55 In stock at Rockridge 4wd and ready to ship to your door! Contact us today for your very own quote!

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12-12-2013 07:22 PM
Rockridge 4wd
Looking to Lock your Winch up? Contact Rockridge 4wd today for your very own quote!

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12-06-2013 03:11 PM
Rockridge 4wd
In Stock at Rockridge 4wd and ready to ship to your door! Contact Us today for your very own Factor 55 Winch Lock quote!

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12-05-2013 02:11 PM
Rockridge 4wd
Dont want your winch Stolen? Contact Rockridge 4wd today for your Factor 55 Winch Lock Security Bolt Kit.

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12-02-2013 07:03 PM
Rockridge 4wd
Factor 55 Winch Bolts in stock and Rockridge 4wd contact us today for your very own quote!

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11-23-2013 06:26 PM
Rockridge 4wd
IN Stock and Ready to Ship! Contact Rockridge 4wd today for your Factor 55 Winch Lock Bolts!

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11-21-2013 05:30 PM
Rockridge 4wd
Factor 55 Winch Lock Security Bolt Kit In stock at Rockridge 4wd Contact us today for your very own quote!

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05-16-2013 04:04 PM
Rockridge 4wd

Hook or Screw Pin Shackle — Which is better?
Smart off roaders have known for years that the most secure way to use your recovery winch is replace the hook with a common screw pin shackle. Unless you are competing, the added seconds required to use a shackle versus a hook during a vehicle recovery is not worth the safety risk associated with standard winch hooks.

What is wrong with the hook?

The technical name for a standard winch hook is " Clevis Slip Hook". This describes two things. First, clevis refers to the method of cable attachment - the cable eye is attached to the hook by a clevis pin and cotter pin. Second, "slip" refers to the size of the chain link that can be slipped through the hook opening. Most winches are equipped with 3/8 clevis slip hooks. This means that the hook is designed specifically to work with chains that have 3/8 thick chain links. Unless you are using chains in your recovery, this is not the right piece of hardware to have on the end of your winch cable. At Factor 55 we are still puzzled as to why winch manufacturers continue to sell winches equipped with hooks designed for chain links when off roaders have been using synthetic recovery straps for over two decades now.

In addition, most 3/8 clevis slip hooks have a safe working load limit of 4000-7000 pounds. The average 8K winch exceeds the working load limit of these weak hooks regularly. Of course the safety factor built into the hook is 3-4X, but it is still not wise to exceed any working load limit of any hardware. In contrary, the standard ¾ screw pin shackle has a working load limit (WLL) of 9500 pounds, and a safety factor of 5-6X. Most screw pin shackles have an ultimate breaking strength of 50,000 to 60,000 pounds.

The cross section of the standard hook is airfoil shaped to prevent chain links from slipping, and not ideal for synthetic strap fibers. This shape causes high fiber stresses that reduce the rating of the recovery strap. Hooks equipped with safety latches pose other hazards as well. Many safety latches are simply bent sheet metal parts with sharp edges and springs. This is not a concern with chains, but a potential cutting hazard for recovery straps. The safety latches cannot bear any loads as well.

The hook opening of the standard winch hook is too small to safely attach two ends of a common recovery strap so most off roaders use a screw pin shackle to hold the strap anyways.

Standard winch hooks do not stow neatly against either Hawse or roller fairleads. They were not designed to do this. That is why it is common to see winch cables extended and hooks attached to bumpers, tow hooks, undercarriage parts etc.. It is not recommended to leave the winch cable or synthetic rope pulling at a right angle to your fairlead simply to attach the hook to something convenient – this can permanently weaken the fibers right at the fairlead surface.

Anytime a hook is used, there is a chance that whatever you put into the hook opening can escape. This is especially important in vehicle recovery where the winch cable is cycling in a loaded and unloaded condition regularly as the towing vehicle or towed vehicle lurches forward. In contrary, the standard screw pin shackle is a completely contained link where strap ends have no way of escaping even during tight/loose cycles.

Screw Pin Shackle Benefits:

Safer – secure link -no chance of strap ends escaping
Less stress on recovery strap fibers
Larger opening accepts both ends of a recovery strap
No sharp edges to cut recovery straps
Affordable pricing for a superior piece of hardware

05-15-2013 04:04 PM
Rockridge 4wd
Worried about your winch getting stolen? Dont hesitate and contact me for your factor 55!

05-10-2013 07:48 PM
Rockridge 4wd
Get your quote today for factor 55

05-07-2013 07:28 PM
Rockridge 4wd
Afraid your winch will get stolen? Contact me today for your Factor 55 quote!

05-06-2013 03:42 PM
Rockridge 4wd
Just buy that new winch? Woundering how you can secure it? Contact me today for your factor 55 quote!

05-03-2013 05:12 PM
Rockridge 4wd
Lock those winches up! Contact me today to get your factor 55 quote!

05-02-2013 01:23 PM
Rockridge 4wd
Keep those winches locked up!

05-01-2013 04:31 PM
Rockridge 4wd
Lets keep that winch safe! Contact me today for your factor 55 quote!

02-28-2013 05:45 PM
Rockridge 4wd
Don't let your new winch get stolen!

Universal Winch Lock Bolt can be used on any winch that you do NOT want to loose!

02-18-2013 07:47 PM
Rockridge 4wd
Don't spend a bunch of money on a winch just to have it stolen!

Lock it up today with a locking bolt!! In stock and ready to ship same day!!

Cheap fix to an expensive problem!

02-05-2013 06:48 PM
Rockridge 4wd
Did you just buy a new winch? You don't want someone to steel it do you? Then get this locking bolt today! In stock and ready to go at ROCKRIDGE 4WD



Click here to buy!
01-10-2013 02:55 PM
Rockridge 4wd
Don't let your new winch get stolen! This is cheap security!

Winch Lock by Factor 55
09-19-2012 06:40 PM
Rockridge 4wd
06-22-2012 05:11 PM
Rockridge 4wd This is so neat to have!!! Don't spend a bunch of money on your winch just to get it ripped off. Protect it with these security bolts!! Call today we have them in STOCK!

05-16-2012 12:07 AM
Rockridge 4wd
Factor 55 Winch Lock Security Bolt Kit IN STOCK at Rockridge 4WD! Keep her safe!

The winch lock bolt is a custom 3/8-16 precision security bolt made from 1045 carbon alloy steel heat treated to Grade 5 yield strength. The key patterned head bolt is proprietary and the matching key is not available at your local retail hardware store. The winch lock bolt cannot be removed with ordinary screw drivers, pliers, or commonly sold security bits. Simply substitute one of your winch mounting bolts with the “Winch Lock” bolt and your winch is protected – simple!

Fits all winches with standard 3/8 -16 mounting hardware.

All Factor 55 products are designed and engineered in the United States using state of the art CAD (Computer Aided Design) and analysis tools.


-Made from heat treated 1045 carbon steel, zinc chromate corrosion protection
-Proprietary security key pattern
-Hidden spring lock washer pocket ensures gapless installation
-60 degree head taper to prevent removal with pliers
-Simple fail proof design : no clumsy traditional key mechanisms to corrode/fail
-Special coded security key allows for both end, and side access


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