The Best Square-Neck Bolt Lock Washers

Looking for the best Square-Neck Bolt Lock Washers?

Discover now our comparison of the best Square-Neck Bolt Lock Washers. It is never easy to choose from the wide range of offers. On the market, you will find an incalculable number of models, all at different prices. And as you will discover, the best Square-Neck Bolt Lock Washers are not always the ones at the highest prices! Many criteria are used, and they make the richness and relevance of this comparison.
To help you make the best choice among the hundreds of products available, we have decided to offer you a comparison of the Square-Neck Bolt Lock Washers in order to find the best quality/price ratio. In this ranking, you will find products listed according to their price, but also their characteristics and the opinions of other customers. Also discover our comparisons by categories. You won’t have to choose your products at random anymore.

No. 1

3/8" x 1-1/4" Carriage Bolt of Square Neck and Nylon Lock nut Large Size Washer Assortment Kit by Color Galvanization,Carbon Steel,Grade 2.(8pcs Pack) by metalsuberg

Size: Diameter 3/8 inch, Length 1-1/4 inch-16 pitch.. Material: Made of high quality low carbon steel and color Galvanization to make Carriage bolts much more strength and Resistant to Rust. there are no issues of biting death or thread damaging to compare with nonrust steel bolts in high and low temperature environments.
Bolt, Nut and flat washer pack up together as one unit for conviences to end user with easy installation experiences.
Nylon Insert Hex Lock Nut have more strong and long lifetime,full course for thread clamping force to avoid loose; large size flat washer apply for much more worse work conditions.
Square neck underneath the round head feature as suit for their self-locking when position in square hole for nut tighting.
This carriage bolt,nut and washer Assortment Kit following up with ANSI standard and Our fasteners have passed many limit test requirements/quality control before selling out.please check the picture, size and self working condition requirements clearly and choose right spec before you purchase it. Offer reliable after sales-service,please feel free to contact with us if you have any queries need our help.we will reply you soon and let your installation feeling more smoothly.

No. 2

Matrelt 10 Sets 1/4"-20 x2 Carriage Bolts Round Head Square Neck Screws with Hex Nuts Flat Washers Spring Lock Washers 304 Stainless Steel Full Thread Coverage Square Neck Bolts Assortment Kit

【Size and Package】: 10pcs 1/4"-20 x2" Carriage Bolts ,10pcs 1/4"-20 Hex Nuts,10pcs Flat Washers,10pcs Spring Lock Washers,40pcs square neck bolts set are packaged in a transparent and sturdy plastic box.
【Quality Material】-- Carriage bolts screws Hex nuts Flat washers Spring washers all are made from high-quality 304 stainless steel, Galvanizing by dipping made them have a tight, uniform, and thick silver zinc coating on surface,Has excellent anti-corrosion, rust prevention, wear-resistant and sturdy functions. Standard and clear threads, precision machined components providing a sturdy and dependable connection.
【Excellent combination】-- Carriage bolts’s head are smooth and shiny,Screwdriver cannot work on the bolt head, which has anti-theft effect. Bolts neck is square shaped, can be clamped onto the hole to fix the bolt, making it easy to tighten the nut washer. Flat washers increasing the contact surface between screws and machines. Spring lock washers provide buffering protection when subjected to force,and gives the nut an elastic force to prevent it from falling off.
【Wide Use】--Carriage bolt sets are commonly used in machinery, ships, building construction, furniture maintenance, and other scenarios that require high corrosion resistance, strength, and safety, such as heavy equipment, excavators, cars,tractor,construction machinery, pneumatic and hydraulic equipment,wooden houses,park chair,building and furniture repairs, etc.
【Efficient and convenient】Head square neck screws with Hex nuts Flat washers Spring lock washers complete set combination.The round head design and square neck of these carriage bolts enable a secure and self locking fit when appiled in square holes,Efficient and convenient installation,they can solve various equipment fastening, repair, and assembly problems for you.

No. 3

1/2" x 2" Carriage Bolt of Square Neck with Nylon Lock nut and Large Size Washer Assortment Kit by Color Galvanization,Carbon Steel,Grade 2.(8pcs Pack) by Metalsuberg

Size: Diameter 1/2 inch, Length 2 inch-13 pitch. Material: Made of high quality low carbon steel and color Galvanization to make Carriage bolts much more strength and Resistant to Rust. there are no issues of biting death or thread damaging to compare with nonrust steel bolts in high and low temperature environments.
Bolt, Nut and flat washer pack up together as one unit for conviences to end user with easy installation experiences.
Nylon Insert Hex Lock Nut have more strong and long lifetime,full course for thread clamping force to avoid loose; large size flat washer apply for much more worse work conditions.
Square neck underneath the round head feature as suit for their self-locking when position in square hole for nut tighting.
This carriage bolt,nuts and washer Assortment Kit following up with ANSI standard and Our fasteners have passed many limit test requirements/quality control before selling out.please check the picture, size and self working condition requirements clearly and choose right spec before you purchase it. Offer reliable after sales-service,please feel free to contact with us if you have any queries need our help.we will reply you soon and let your installation feeling more smoothly.

No. 4

Metalsuberg 5/16" x 2" Carriage Bolt by Color Galvanization of Square Neck with Nylon Lock nut and Large Size Washer Assortment Kit,Carbon Steel,Grade 2.(8pcs Pack)

Size: Diameter 5/16 inch, Length 2 inch-18 pitch. Material: Made of high quality low carbon steel and color Galvanization to make Carriage bolts much more strength and Resistant to Rust. there are no issues of biting death or thread damaging to compare with nonrust steel bolts in high and low temperature environments
Bolt, Nut and flat washer pack up together as one unit for conviences to end user with easy installation experiences.
Nylon Insert Hex Lock Nut have more strong and long lifetime for full course thread clamping force to avoid loose; Large size flat washer apply for much more worse work conditions.
Square neck underneath the round head feature as suit for their self-locking when position in square hole for nut tighting.
This carriage bolt,nut and washer assortmens following up with ANSI standard and Our fasteners have passed many limit test requirements/quality control before selling out.please check the picture, size and self working condition requirements clearly and choose right spec before you purchase it. Offer reliable after sales-service,please feel free to contact with us if you have any queries need our help.we will reply you soon and let your installation feeling more smoothly.

No. 5

Metalsuberg 1/4" x 2" Carriage Bolt by Color Galvanization of Square Neck with Nylon Lock nut and Large Size Washer Assortment Kit,Carbon Steel,Grade 2.(8pcs Pack)

Size: Diameter 1/4 inch, Length 2 inch-20 pitch Material: Made of high quality low carbon steel and color Galvanization to make Carriage bolts much more strength and Resistant to Rust. there are no issues of biting death or thread damaging to compare with nonrust steel bolts in high and low temperature environments
Bolt,Nut and flat washer pack up together as one unit for conviences to end user with easy installation experience.
Nylon Insert Hex Lock Nut have more strong and long lifetime for full course thread clamping force to avoid loose; Large size flat washer apply for much more worse work conditions.
Square neck underneath the round head feature as suit for their self-locking when position in square hole for nut tighting.
This carriage bolt,nut and washer Assortment Kit following up with ANSI standard and Our fasteners have passed many limit test requirements/quality control before selling out.please check the picture, size and self working condition requirements clearly and choose right spec before you purchase it. Offer reliable after sales-service,please feel free to contact with us if you have any queries need our help.we will reply you soon and let your installation feeling more smoothly.

No. 6

5/16-18 x 4-1/2" Black Carriage Bolts with Nuts and Washers Kits (10 Sets), 304 Stainless Steel 18/8, Black Finish, Round Head, Square Neck, Heavy Duty Bolts, Indoor Outdoor Fastening Bolts, Fayeploo

Thread Size: 5/16-18; Thread Pitch: 18 TPI Coarse Thread Full Thread Coverage; Bolt Thread Length: 4.5 inch
Package Contents: 10 Sets (bolts + matched nuts, flat washer and lock washer)
Material: The sets are all made of 304 stainless steel 18/8; Excellent toughness; Good rust and corrosion resistance in both indoor and outdoor use; Extra Black Oxide treatments make it more chemical resistance while not impact strength or hardness
Carriage Dia: 0.71 inch (max); Square Neck Height: 0.18 inch (max); Please note that the screw length 4.5 inch includes the square neck part
Feature: (1) Can be easily tightened; (2) Withstand heavy vibrations and impacts for machinery usage; (3) Resist loosening over time; (4) Black Coating will not easily wear off over time; (5) Widely used in home improvement and industry applications due to their versatility and strength, their sturdy design ensure a secure connection

No. 7

Glvaner (8 Sets) 3/8-16 x 2 Stainless Steel Carriage Bolts Screws Black and Hex Nuts & Flat Washers Black, Round Head Square Neck, 304 Stainless Steel 18-8, Full Thread Coverage

Package Includes: 8 Pcs Carriage Bolts (3/8-16 x 2") + 8 Pcs Hex Nuts (3/8"-16)+ 8 Pcs 3/8" Inside Diameter Flat Washers
Thread Size: 3/8-16; Thread Pitch: 16 TPI; Thread Type: Coarse Thread
Material: 304 Stainless Steel (A2-70) with durable black coating; Provides enhanced strength and superior corrosion resistance compared to standard stainless steel or zinc-plated fasteners; Features smooth, burr-free surfaces with scratch-resistant protection during handling and installation; Maintains a uniform industrial-grade black finish for professional applications
Bolt head diameter: 0.84 inch (21mm); Bolt head height: 0.2 inch (5.2mm); Bolt length (including the square neck): 2 inch (50mm)
Carriage bolts feature a domed head with integrated square neck; The square neck mechanically locks into square receiver holes, preventing rotation; The polished dome head creates a semi-recessed installation profile, blending functional grip security with reduced surface protrusion for enhanced safety in woodworking, structural connections, and agricultural equipment applications

No. 8

OTTFF 20 Pack Square Strut Washer Plate, 3/8" Bolt Size, Fit 1-5/8" Strut Channel, 7/32" Thick

Carbon steel, electro-galvanized finish
1-5/8" x 1-5/8" (41 x 41 mm), 7/32" (5.6 mm) Thick
Hole: 7/16" (11.5 mm), accept 3/8" rod bolt
For 1-5/8" strut channel
Packing list, 20 x strut channel washer plate

No. 9

OTTFF 20 Pack 1-5/8" Square Washer Plate Fit 1/2" Bolt for Strut Channel, 7/32" Thick

For 1-5/8”Strut Channel, fit 1/2” Bolt
1-5/8”x 1-5/8” (41 x 41 mm), 7/32" (5.6 mm) Thick
9/16" Hole size for 1/2" Bolt
carbon steel, electrogalvanized surface treatment
Packing list: 20 x Square Washer Plate

SaleNo. 10

MOUNTAIN_ARK 10 Pack 2-1/2" Square Washer Plate for 3/4" Bolt, Weld On Steel Plate, Thick 5.7mm

Plain low carbon steel ASTM A36
Dimensions: 2-1/2 x 2-1/2 inch (63 x 63 mm)
Hole Size: 13/16 inch (21 mm), fit for 3/4" Bolt
Thickness: 5.7mm
Packing List, 10 x Square washer plate

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Last update on 2025-07-03 / Affiliate links / Images from Amazon Product Advertising API

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