Best Square Washers

(10 pc)1/4-20 x 2\ Long Square-Neck Carriage Bolts Set w/Nuts & Washers,Zinc-Plated,Carbon Steel Grade 2,by Fullerkreg

Carriage Bolts are a robust and durable fastener solution. Carriage Bolts feature a square section underneath their head, which makes them self-locking when used within a square hole..
About half the strength of medium-strength bolts, these Grade 2 bolts are for light duty fastening..
Zinc-plated steel bolts resist corrosion in wet environments.Fullerkreg Fasteners are always backed by a 100% satisfaction guarantee.
Imperial Carriage Bolts conform to ANSI standard B18.5. Diameters is ¼ inch and lengths is 2 inch..
Package includes ten each of bolts, hex nuts & washers.

Hex Nut: 14 x 6mm / 0.55" x 0.24"(Hex Width*H).
Frame Plate: 82 x 25 x 3mm / 3.23" x 0.98" x 0.1"(L*W*T).
Round Washers: 18 x 8 x 1mm / 0.71" x 0.31" x 0.04"(OD*ID*T).
Package Content: 4 x U-Bolt, 8 x Nuts, 8 x Round Washers, 4 x Plates.
Application: Used to fix or connect the locked parts to pipes, wood, etc. Suitable for boats, plumbing, and other home and industrial applications..
Material: Carbon steel constructed with great performance in antirust and corrosion resistance..

U-bolt Size: 1/2" D x 3-1/16" W x 5-5/16" L, thread length: 2 1/2" inches, suitable for 3*3 square trailer frame.
Material Type: 304 stainless steel, all accessories are made of 304 stainless steel.
You Can Get: (4) U-shaped bolts, (8) flat washers, (8) lock washers, (8) hexagonal nylon inlay nuts, these are half the price of the hardware store..
Tip: It is recommended to use lubricant when installing, and use a hand wrench or socket ratchet when installing the nut. Do not use high-speed power tools or impact tools to tighten the nuts.
After-sales: After the purchase is not suitable, or if you encounter problems, please feel free to send us an email through Amazon, and we will solve it for you within 12 hours.

Carriage Bolts are a robust and durable fastener solution. Carriage Bolts feature a square section underneath their head, which makes them self-locking when used within a square hole..
About half the strength of medium-strength bolts, these Grade 2 bolts are for light duty fastening..
Zinc-plated steel bolts resist corrosion in wet environments.Fullerkreg Fasteners are always backed by a 100% satisfaction guarantee.
Imperial Carriage Bolts conform to ANSI standard B18.5. Diameters is 3/8 inch and lengths is 5 inch..
Package includes ten each of bolts, hex nuts & washers.

U-bolt Size: 1/2" D x 2-1/16" W x 6-5/16 L, thread length: 2-1/2" inches, suitable for 2" x 2" square beams and shafts, (order Please check the measurement size carefully before).
Hot Dipped Galvanized : U-bolts are made of Hot Dipped Galvanized，The white surface is a thick galvanized layer, which enhances the rust and corrosion resistance of the U-bolt..
You can get: (4) U-bolts, (8) hexagon nuts, (8) flat washers, (8) lock washers, these additional accessories are also Hot Dipped Galvanized. With these, you can spend less time repairing and more time boating.
Tips:Use a hand wrench or socket ratchet when installing the nut. Do not use high-speed power tools or impact tools to tighten the nuts..
After-sales service: Our U-bolts provide a one-year warranty service. Please rest assured, if you have any questions, please feel free to send us an email via Amazon. We will solve it for you within 24 hours..

Accommodates 1-mailbox (duo, tri or quad spreader plates available separately).
Designed with a 4 in. square cross-section of heavy-gauge steel tubing with a mounting plate welded on top.
Commercial grade, powder-coated pewter finish.
Includes 4 zinc-plated steel hex-head bolts 3/8 in. - 16 thread size, 1 in. L, 4 zinc-plated 3/8 in. thread size nuts and zinc-plated washers.

Material: Durable 304 stainless steel.Compared with normal stainless steel,it's safer, more durable,non-toxic and corrosion resistant.It is of high hardness and not easy to deform.It can be used in outdoor humid environment..
Features: Designed to be used in conjunction with carriage bolts for the securing of roof trusses but can also be used in a variety of ways on many different projects.Can be used with all types of bolts and nuts..
Usage: Ideal for use with carriage bolts in structural timber fastening applications such as joist work and decking.Large surface area suitable for heavy duty fastening..
Wide Application: Square plate washers can be used for many industries and for many different exterior applications.Often used in timber construction, since they develop more friction when tightened against wood. They are also suitable for a variety of applications where a heavy washer is required..