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Trailer Axle Spring Shackle Greaseable Spring Bolt 9/16 x 3 （14pcs）

Trailer Axle Spring Shackle Greaseable Spring Bolt 9/16 x 3 （14pcs）

Name: Trailer Axle Spring Shackle Greaseable Spring Bolt 9/16 x 3 （14pcs）
Brand: Rjsphh
SKU: 581018042
Price: 771.65 PLN
Availability: OutOfStock
Rating: 5 (5 reviews)

Product ID: 581018042

Details

Material
Alloy Steel
Thread Size
M12x1.75
Exterior Finish
Stainless
Manufacturer Grade
Grade 2
Head Style
Hex

🔩0.5625" diameter, 7/16"-20 thread

🛠️Knurled shoulder stops bolt spin

🛢️Built-in grease zerk for easy lubrication

Description

🔧 Upgrade your trailer’s backbone with greaseable power!

ANTI SPIN INNOVATION - Knurled shoulder design locks bolt in place, eliminating frustrating hanger bracket slippage.
EFFORTLESS MAINTENANCE - Integrated grease zerk lets you lubricate suspension springs without disassembly—keep your trailer smooth and silent.
PEACE OF MIND WARRANTY - Backed by a 1-year warranty and responsive 24-hour customer support—upgrade your trailer with confidence.
UNIVERSAL COMPATIBILITY - Fits most trailer axles from 2000# up to 7000#, perfect for double eye or slipper style springs.
PRECISION FIT STRENGTH - Grade 5 alloy steel with 0.5625" diameter ensures durable, reliable trailer axle performance.

This 14-piece set of RJSPHH Trailer Axle Spring Shackle Greaseable Spring Bolts features a 0.5625" diameter and 7/16"-20 UNC thread, crafted from durable Grade 5 alloy steel with a stainless steel finish. Designed with a knurled shoulder to prevent spinning and a built-in grease zerk for easy lubrication, these bolts fit most trailer axles ranging from 2000# to 7000#. Ideal for mounting double eye or slipper style springs, they come with lock nuts and a 1-year warranty, ensuring long-lasting, maintenance-friendly suspension performance.

Specifications

ASIN	B0BNGZ2J18
Brand	RJSPHH
Colour	black
Customer Reviews	4.3 out of 5 stars 134 Reviews
Exterior Finish	Stainless Steel
Fastener Type	Hanger Bolt
Head Style	Hex
Head Type	Socket
Item Diameter	0.56 Inches
Item Hardness	Grade 5
Manufacturer	RJSPHH
Manufacturer Grade	Grade 2
Material	Alloy Steel
Material Type	Alloy Steel
Metal Type	Stainless Steel
Model	LSZY
Number of Pieces	14
Part Number	LSZY
Screw Head Style	Hex
Set Screw Thread Type	Unified National Coarse (UNC)
Size Name	14pcs
Thread Class	UNC
Thread Size	M12x1.75
Thread Style	Right Hand
Thread Type	UNC
UPC	752692079191
Unit Count	14.0 Count

Reviews

J**.

Great upgrade

9.07.2024

J**D

Some specs...

10.06.2025

F**D

Excellent item

17.03.2026

R**N

Abnormal tire wear resolved

11.08.2025

D**L

spring bolt

25.01.2026

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