ReviewsSquare Square Bolts

Lag Screws Rustic Square Head Bolt Combine with Washers and Wing Nut | 5/16” x 2” 7.93 x 50mm | Black Oxide | Set with 8 Bolts 16 Washers and 8 Wing Nuts | Flattened Square-Head 1/2” 12.7mm

BOLTS & NUTS SET - Each pack contains 8 square head bolts, 16 washers, and 8 wing nuts..
DIMENSIONS - Bolts: 5/16” (7.93mm) by 2” (50mm) 1/2 “ (12.7mm) square head. Washer dimension matching with bolt. Wing nut dimension matching with bolt..

Square U-bolts are great for attachment to square shaped posts.
U bolt measurements are as follows – diameter (3’8”), thread count (16), inside length (3”), inside width (4”).

High torque automatic ratchet wrench - no need for big swing actions to tighten nuts and bolts.
3/8 in. square driver ratchet connection, compatible with standard square drive socket adaptors.
Power Handle, Battery and Charger Not Included.

Package includes: stainless steel u-bolt set include 4 pieces u-bolts, 8 pieces stainless steel flat washers, 8 pieces stainless steel nylon lock nuts, 8 pieces lock washers, all accessories are made of 304 stainless steel.
U-bolt size: 1/2 x 3-1/16 x 4-5/16 inch (D x W x L), thread length: 2-1/2 inches, suitable for 3 x 3 inch square beams and shafts.
Stainless steel material: u bolts for boat trailer are made of 304 stainless steel, strong and long-lasting.
These 304 stainless bolts prevent rust corrosion, acid corrosion and wear.
It's still perform well in rainy and humid seaside environment.
How to use: firstly choose the corresponding square U shaped bolt according to the size of the pipe, then drill holes in the connection, and finally lock nut and flat washer.
Use a hand wrench or socket ratchet when installing nuts.
Do not use an impact or a high speed socket driver.
Wide application: square u-bolt is applied to fix or connect the locked parts to rectangular wood and metal objects, such as cars, sailboat trailers, pipe, tube, plumbing and other industrial applications.

Quickly mounts to your trailer tongue. Choose from vertical channel mount (fits 3-1/2 inch wide OD / 3 inch ID vertical channel with 2 inch on center bolt pattern secure with 5/8" pins or bolts) or square plate 4 bolt mount (4-1/2 inch square bolt pattern).
Smoother safer towing. Improves your ride, reduces wear & tear on pickup & trailer. Great for heavy duty trailers from end dumps, race trailers, cargo trailers, tilt trailers, storage container & flat beds Instant air ride for your trailer..
20,000 lbs rated trailer towing capacity with a cast 2 5/16 inch heavy duty demco cast coupler. 2,000 lbs tongue weight. Great for bumper pull race trailers, dump trailers and skid steer trailers..
Air ride technology: Built-in HD air bag for a smoother towing experience with built in height adjustment plus weight adjustable. Perfect when you don't know what pickup will be towing your trailer. Fine tune for your towing weight. Just add air for heavier loads. Absorbs the road bumps, thumps & bangs on whatever road you travel.
Made by Shocker Hitch USA. Optional weld-on vertical tongue adapter available &sold separately. Note: The main pivot bolt used in the Tongue Mount air coupler is a custom made 1 inch diameter 1045 medium carbon steel bolt. Heat treated to pre....