We ship to the Philippines — door-to-door, customs and logistics handled by 3G Electric

LINDSTROM Carriage Bolt: Square Neck, 5/16"-18 Thread Size, 3 1/2 in lg, Steel, Grade 2 - Grade 2 Steel Square Neck Carriage Bolts
LINDSTROMGrade 2 Steel Square Neck Carriage Bolts

LINDSTROM Carriage Bolt: Square Neck, 5/16"-18 Thread Size, 3 1/2 in lg, Steel, Grade 2

The LINDSTROM Grade 2 Steel Square Neck Carriage Bolt (SKU 3G-OTH-684476) is a 3 1/2-inch-long, plain-finish fastener with a 5/16"-18 thread size, supplied in a 50-pack. This bolt is designed for general industrial…

SKU 3G-OTH-684476

Also listed as: CAI50310350050P · CAI50310350 050P

Brand
LINDSTROM
Item
Carriage Bolt: Square Neck, 5/16"-18 Thread Size, 3 1/2 in lg, Steel, Grade 2
Category
Grade 2 Steel Square Neck Carriage Bolts
Available to Order
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineerMessage via Telegram
No account needed — your quote request goes straight to our engineers. A free account lets you track quotes and re-order faster.
Worldwide Shipping
Air & sea freight
Datasheet on Request
Technical specs
1-Day Quote
Replies within 24h

Local availability & support — the Philippines

Delivery
5–8 business days door-to-door; Bureau of Customs clearance typically 2–4 business days.
Payment
Invoicing in PHP or USD. Bank transfer and corporate PO accepted.
Ships to
Manila, Quezon City, Cebu, Davao, Batangas

Technical Specifications

LINDSTROM
Manufacturer Part Number
CAI50310350-050P
Type
3 1/2 in lg, Steel, Grade 2, Plain, 50 PK
Thread Size
5/16"-18

Technical Documents

No technical documents available for this product.
Request documentation
Not sure this is the right part? Get a recommendation.

Need installation or engineering help?

Installation, commissioning, maintenance plans, system design, and bundled product + service quotes — one team handles the full scope.
Talk to an engineer

Ask a question

LINDSTROM Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The LINDSTROM Grade 2 Steel Square Neck Carriage Bolt (SKU 3G-OTH-684476) is a 3 1/2-inch-long, plain-finish fastener with a 5/16"-18 thread size, supplied in a 50-pack. This bolt is designed for general industrial fastening applications where a square neck prevents rotation during assembly.

Supplied to the Philippines — compatible with 60 Hz installations. DHL Express delivery to Manila, Quezon City, Cebu, customs and duties handled door-to-door.

Frequently Asked Questions

What is a Grade 2 Steel Square Neck Carriage Bolt used for?

A Grade 2 Steel Square Neck Carriage Bolt is used for general industrial fastening where the square neck prevents rotation during assembly. LINDSTROM's 5/16"-18 thread, 3 1/2-inch-long bolt in a 50-pack is ideal for wood-to-metal or metal-to-metal connections in machinery, construction, and maintenance applications.

What are the specifications of the LINDSTROM carriage bolt?

The LINDSTROM carriage bolt has a 5/16"-18 thread size, is 3 1/2 inches long, made of Grade 2 steel with a plain finish, and comes in a 50-pack. The square neck design prevents rotation during tightening. The manufacturer part number is CAI50310350-050P.

Where to buy LINDSTROM carriage bolts worldwide?

3G Electric supplies LINDSTROM carriage bolts worldwide. As a global industrial solutions provider, we handle full logistics and customs clearance to deliver genuine fasteners like the Grade 2 Steel Square Neck Carriage Bolt (SKU 860AX8) to your facility. Contact us for availability and delivery to your location.

How to install a square neck carriage bolt?

To install a LINDSTROM square neck carriage bolt, insert the square neck into a matching square hole in the material to prevent rotation. Tighten the nut on the threaded end with a wrench while the bolt head remains stationary. Use a plain finish bolt in dry indoor applications; apply anti-seize if needed.

LINDSTROM Products

3G Electric supplies LINDSTROM grade 2 steel square neck carriage bolts. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

You might also need

Burners & Combustion Pumps & Compressors Spare Parts All Products

More from LINDSTROM

View all LINDSTROM parts
Carriage Bolt: Square Neck, 5/8"-11 Thread Size, 4 1/2 in lg, Steel, Grade 2, Zinc-Plated, 10 PK (MPN CAI506204500-010P)
LINDSTROM
Carriage Bolt: Square Neck, 5/8"-11 Thread Size, 4 1/2 in lg, Steel, Grade 2, Zinc-Plated, 10 PK (MPN CAI506204500-010P)
Carriage Bolt: Square Neck, 1/4"-20 Thread Size, 6 in lg, Steel, Grade 2, Zinc-Plated, 50 PK (MPN CAI502506000-050P)
LINDSTROM
Carriage Bolt: Square Neck, 1/4"-20 Thread Size, 6 in lg, Steel, Grade 2, Zinc-Plated, 50 PK (MPN CAI502506000-050P)
Carriage Bolt: Square Neck, 5/16"-18 Thread Size, 4 1/2 in lg, Steel, Grade 2, 50 PK (MPN CAI20310450G-050P)
LINDSTROM
Carriage Bolt: Square Neck, 5/16"-18 Thread Size, 4 1/2 in lg, Steel, Grade 2, 50 PK (MPN CAI20310450G-050P)
Carriage Bolt: Square Neck, 1/4"-20 Thread Size, 5 1/2 in lg, Steel, Grade 2, Zinc-Plated, 50 PK (MPN CAI202505500-050P)
LINDSTROM
Carriage Bolt: Square Neck, 1/4"-20 Thread Size, 5 1/2 in lg, Steel, Grade 2, Zinc-Plated, 50 PK (MPN CAI202505500-050P)
Carriage Bolt: Square Neck, #10-24 Thread Size, 1 1/4 in lg, Steel, Grade 2, Zinc-Plated, 100 PK (MPN CAI2-1001250-100P)
LINDSTROM
Carriage Bolt: Square Neck, #10-24 Thread Size, 1 1/4 in lg, Steel, Grade 2, Zinc-Plated, 100 PK (MPN CAI2-1001250-100P)
Carriage Bolt: Square Neck, 7/16"-14 Thread Size, 3 in lg, Steel, Grade 2, Zinc-Plated, 25 PK (MPN CAI504303000-025P)
LINDSTROM
Carriage Bolt: Square Neck, 7/16"-14 Thread Size, 3 in lg, Steel, Grade 2, Zinc-Plated, 25 PK (MPN CAI504303000-025P)
Carriage Bolt: Square Neck, 5/16"-18 Thread Size, 2 1/4 in lg, Steel, Grade 2, Plain, 50 PK (MPN CAI50310225-050P)
LINDSTROM
Carriage Bolt: Square Neck, 5/16"-18 Thread Size, 2 1/4 in lg, Steel, Grade 2, Plain, 50 PK (MPN CAI50310225-050P)
Carriage Bolt: Square Neck, 3/4"-10 Thread Size, 6 in lg, Steel, Grade 2, Zinc-Plated, 10 PK (MPN CAI507506000-010P)
LINDSTROM
Carriage Bolt: Square Neck, 3/4"-10 Thread Size, 6 in lg, Steel, Grade 2, Zinc-Plated, 10 PK (MPN CAI507506000-010P)