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Three Knuckle Spring Full Mortise Hinges (3SP1)

Finish:
Image of Finish
Image of Finish

Broad selection

Offered in steel and stainless steel base materials to meet code requirements 

Variety of heights and widths 

Large selection of finishes allows for consistent door hardware style and design

Choose from variety of options including non-removable pin, hospital tip, security stud, rounded corners and security fasteners

 

Quality Performance

Packed with pin for setting spring tension and an adjusting wrench

Design enables soft spring close

 

Popular SKUs in Quick Ship

Choose from a select number of SKUs available to ship in one week or less

Applications: 

For use with doors where self-closing is required

Maximum door weight 120 lbs., max door width 36" 

Maximum labeled door size - 3'0" wide x 7'0" x 1 3⁄4" thick as set in NFPA #80

 

Material Substrates:

Made from 1040 steel or 304 series stainless steel

 

Certifications:

Certified ANSI/BHMA A156.1 for performance standards

Meets ANSI/BHMA 156.7 for template hinge dimensions

UL Listed for use with fire rated doors

 

Fasteners:

Packed with fasteners for hollow metal and half metal/half wood applications −12-24 x 1⁄2 UFPHMS, 12 x 1 1⁄4 FPHWS

 

Accessories:

Pin for setting spring tension and adjustment wrench included

 

 

 

Models: 3SP1

 

Height x Width (in) | Size (mm) | Gauge

4 x 4 | 102 x 102 | 0.130

4.5 x 4 | 114 x 102 | 0.134

4.5 x 4.5 | 114 x 114 | 0.134

 

Spring hinge requirements based on door size and weight:

 

Spring hinge requirements based on door size and weight chart

Available Options:

Rounded Corners - (RC-1⁄4) or (RC-5⁄8)

Security Fasteners - pin-in-socket (SEC)

View available finishes to suite with your LCN, Schlage, or Von Duprin hardware.

 

BHMA Description Substrate Finish

600 Primer Paint Steel USP 

629 Bright Stainless Stainless steelUS32 

630 Satin Stainless steelUS32D

631 Matte Black Steel-BLK 

632 Bright BrassSteelUS3

633 Satin BrassSteelUS4 

639 Satin BronzeSteelUS10 

640 Oil Rubbed BronzeSteelUS10B 

641 Oxidized BronzeSteelUS10A 

646 Satin NickelSteelUS15 

651 Bright ChromeSteelUS26 

652 Satin ChromeSteelUS26D

643e/716 Aged BronzeSteelF-643e/716 

695 Dark Bronze PaintedSteelF-695/US10BE

Three Knuckle Spring Full Mortise Hinge (3SP1)

These three knuckle spring full mortise hinges are ideal for standard weight doors with lower usage for use when self-closing is required. Choose from a variety of sizes, substrates, options, and finishes to meet the needs for your application.

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Overview

Spring hinges are used on openings where self-closing is required. These hinges can be ideal when the door, frame, or wall conditions restrict the ability to have a door closer. Ives three knuckle spring hinges are designed for doors with maximum weight of 120lbs and maximum width of 36". Use on hollow metal or wood doors. Certified ANSI/BHMA A156.1, our Ives 3SP1 hinge is available in steel, and stainless steel substrates in a broad range of finishes. Ives 3SP1 hinges are packed standard with hollow metal and half wood/half metal applications. Included is also a pin for setting spring tension and an adjusting wrench. Choose options such as, rounded corners and security fasteners.

Features

Ideal For

 Light Duty

 Commercial

 Quick Ship Options

 Multifamily

 Wide Range of Options

Ives 101

For frequently asked questions, educational resources and technical product materials, visit the Architectural Hinges 101 page. 

Learn the Basics
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ALL IN ONE. ALLEGION.

As part of Allegion’s family of pioneering brands, IVES benefits from the strength,
efficiencies, resources, and integration from a global power. In turn, we pass those
advantages on to you.

Allegion helps keep people safe and secure where they live, work and visit. With more
than 30 brands sold worldwide, we specialize in security around the doorway and
beyond. It’s the power of one.
 

Learn more at us.allegion.com
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