Heavy duty self-closing spring hinges in 4x4 inch size, made of 304 stainless steel for doors up to 330 lbs.
Heavy duty self-closing spring hinges, 4x4 inches, 304 stainless steel, for doors up to 330 lbs, 4 pack.
Heavy duty self-closing spring hinges, 4"x4", full mortise, 304 stainless steel, for doors up to 330 lbs, 4 pack.
Heavy duty self-closing spring hinges in 4x4 inch size, made of 304 stainless steel for heavy doors.
Heavy duty self-closing spring hinges, 4x4 inches, stainless steel, for doors up to 330 lbs, 4 pack.
Heavy duty self-closing spring hinges in 4-inch size, 304 stainless steel, for heavy doors up to 330 lbs. 4 pack.
Heavy duty self-closing spring hinges in 304 stainless steel for 1-3/8 inch thick doors, 4 pack, durable and reliable.
Heavy duty self-closing spring hinges in a 4-pack, 4x4 inches, made of 304 stainless steel for heavy doors.
Heavy duty self-closing spring hinges in a 4-pack, made of 304 stainless steel for doors up to 330 lbs.
Heavy duty self-closing spring hinges in 4-pack, 304 stainless steel for doors up to 330 lbs, includes installation hardware.
Heavy duty self-closing spring hinges in a 4-pack, 4x4 inches, made of 304 stainless steel for heavy doors.
Heavy duty self-closing spring hinges in 4x4 inch size, made of 304 stainless steel for heavy doors up to 330 lbs.
Heavy duty self-closing spring hinges for 1-3/8 inch thick doors, 4 pack, made of 304 stainless steel.
Heavy duty self-closing spring hinges in a 4-pack for 1-3/8" thick doors, made of 304 stainless steel.
SKU: WAT-K51M-400-C4-USD32

Heavy Duty Self-Closing Spring Hinges / Door Closers - 4" Inch x 4" Inch - Full Mortise - 304 Stainless Steel - For 1-3/8" Inch Thick Doors up to 260 lbs. or 330 lbs. - 4 Pack

Sale price$593.35
Finish:Stainless Steel
Closing Type:Mechanical Only
90° Hold-Open:Yes
In Stock, Ships Next Business Day.
Quantity
Family OwnedFamily Owned
Excellent Customer ServiceExcellent Customer Service
Qualifies for free shipping!Qualifies for free shipping!
Easy 45 day returnsEasy 45 day returns
Typically ships in 1-2 business daysTypically ships in 1-2 business days

These Heavy Duty Self-Closing Spring Hinges / Door Closers offer superior speed control, adjustable power, and tension settings. They measure 4" x 4", have a weight capacity of 330 lbs., are full mortise, and are made of 304 Stainless Steel. They are available in Satin Stainless Steel, Flat Black, Satin Brass, and Dark Satin Bronze finishes. There are mechanical or hydraulic hybrid closing types available, as well as an option for 90° hold-open.

Product Specifications:

  • Heavy Duty Self-Closing Spring Hinges /  Door Closers
  • Size: 4" Inch x 4" Inch
  • Full Mortise
  • Material: 304 Stainless Steel
  • Door Thickness: 1-3/8" Inch
  • Door Weight:
    • Models A4 & B4: Up to 330 lbs.
    • Models C4 & D4: Up to 260 lbs.
  • Approximate Door Size: 4' feet x 8' feet
  • Door Range: ≤120°
  • Finishes Available: Satin Stainless Steel, Flat Black, Satin Brass, Dark Satin Bronze
  • Closing Types Available: Mechanical Only, Hydraulic Hybrid
    *Mechanical Only are fully exterior
    *Hydraulic Hybrid hinges have fluid motion and are for interior use only
  • 90° hold-open available
  • Fixing Method: Screw-On, only spot weld AFTER speed adjustment
  • Fully adjustable closing force and speed according to environment needs
  • Numerical adjustment panel on hinge end to set up precise tension
  • Aesthetically pleasing compared to door closers -- without extrusive arms 
  • UL certified cycle testing ensures many years of low maintenance. 
  • Template
  • 4 Pack - 4 hinges per door
  • Click here for Heavy Duty Self-Closing Spring Hinges / Door Closers with a weight capacity up to 260 lbs. (3 pack - 3 hinges per door)
  • To learn more about Waterson Hinges, see our in depth guide here
Model Weight Capacity Mechanical Only -M
Hydraulic Hybrid -H
90° Hold Open Fluid Motion Hinge Type
K51M-400-A4   330 lbs. M - Exterior DS.SA.SA1.SA1
K51M-400-B4   330 lbs. H - Interior DS.HA.SA.SA1
K51M-400-C4 260 lbs. M - Exterior SB.SA.SA.SA1
K51M-400-D4 260 lbs. H - Interior DS.HA.SB.SA1

 


Installation Kits:

  • Both machined #12-24 UNC ½”L and wooden tapping #12 x 1 ¼” screws included -- eight (8) of each type per hinge. Pack contains five (5) spares as well.
  • Three steel adhesive shims for gap adjustment between door and frame as needed
  • Tension Crook: Keeps hinge open during installation  
  • 5mm & 3mm hex wrenches  

Compliance Standards:

  • ANSI A156.7 Template Hinge : 4 ½ x 4 ½
  • CSI Spec 08 7100 Door Hardware & 08 7808 Self-closing Hinges  
  • ADA Force : opening force no more than 5 lbs
  • ADA Closing Speed: at least 5 sec to move from 90° to 12°
  • ADA Vertical Clearance: Does not intrude into the doorway as do some overhead closers

Why Purchase From Us

We are a family owned and operated business founded in 2005. Our passion is hinges and hardware. We truly enjoy helping our customers find what they are looking for and completing their projects. We take great pride in sourcing the highest quality products and offering them at the most affordable prices. The next time you need hinges, think of Hinge Outlet, Inc.