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Best Seller Pbb Sp51 4-1/2" X 4-1/2" Spring Hinge 3-knuckle Full Mortise Standard Weight Us32d/630 Stainless Steel Finish With A 70% Price Cut [n8Xgdjs1]

$27.99 $89.99 -69%

PBB SP51 4-1/2" x 4-1/2" Spring Hinge 3-Knuckle Full Mortise Standard Weight Features, Full Mortise, 630/US32D Stainless Steel FinishSpecificationsGeneral Product Information:PBB, Inc. template hinges are manufactured to close tolerances and meet all

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PBB SP51 4-1/2" x 4-1/2" Spring Hinge 3-Knuckle Full Mortise Standard Weight Features, Full Mortise, 630/US32D Stainless Steel Finish

Specifications

General Product Information: PBB, Inc. template hinges are manufactured to close tolerances and meet all specifications and requirements set by the American National Standards Institute (ANSI)
Material: Stainless Steel-Polished and Satin Finish
Material Gauge: .134 ± .005
Maximum Door Size: For labeled doors 3' x 7' the maximum door size is based on the limits set forth by NFPA Standard #80. Labeled doors require Ball Bearing hinges

For non-labeled doors 4'0" wide 4" x 4" Spring hinges are not recommended. For non-labeled doors over 7'6" in height, use an additional hinge for each additional 30" of height or fraction thereof
Size: Height: 4.50 (+.000/-.015)
Width: 4.50 (+.000/-.015)
Standard Screw Size: FHMS - 12-24 x 1/2"
FHWS - 12 x 1-1/4"
Packing Information: One hinge per plastic bag, 3 hinges, and 1 screw pack per unit carton
16 unit carton or 48 hinges per master shipping carton
1 screw pack includes all machine screws (24), and 1/2 wood screws (12). ATMs & AWS also available
Manufacturer: PBB Inc.

Certifications

ANSI: K5107
UL: cULus Listed

What Our Customers Say

December 29, 2025

Absolutely no complaints!

This sets a new high standard for others.

- Scarlett S..

December 29, 2025

Absolutely no complaints!

So effective it feels like a magic trick.

- Riley A..

December 29, 2025

Absolutely no complaints!

So well made. I am exceptionally happy.

- Curtis Y..

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