The barrel and leaf sections of the hinge are fabricated from 1018 cold rolled steel (or 304 SST) and joined with welds of X-ray quality. The Series W hinges are precision machined components which feature anti-friction needle roller bearings supporting the thrust and radial loads. A non-removable alloy steel hinge pin is hardened, precision ground and Armoloy® coated for corrosion protection. Oil seals are provided to protect the hinge internals in more severe environments. The results: a maintenance free, reliable hinge that will allow doors weighing several thousand pounds to be operated by the touch of a finger.

The Series W offers (+/- 1/8") adjustment in the thrust direction which means doors can be adjusted within their frames after installation. Since the thrust load can be distributed with the adjusting screw, located at the top of the hinge, optimization of load-life on bearings is also possible. We recommend the load be removed from the hinges prior to adjustment.

Series W hinges can also be supplied with the following modifications: Custom mounting hole layouts, shorter or longer hinge leaf, and custom offsets.
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Item #

Fillet Weld Size

Thrust Capacity (Door Weight)

Radial Capacity

----Bolt Description (for 1018 Hinge)

----Bolt - Fu (for 1018 Hinge)

----Bolt Torque (based on note 5) (for 1018 Hinge)

W500-HD N/A 1/4 in. N/A 1000 lbs. N/A 400 lbs. N/A 3/8"dia. GR 5 N/A 120,000 psi N/A 250 lbs. in.
W875-HD N/A 1/4 in. N/A 3000 lbs. N/A 1200 lbs. N/A 1/2" dia. GR 5 N/A 120,000 psi N/A 625 lbs. in.
W100-HD N/A 1/4 in. N/A 4000 lbs. N/A 1630 lbs. N/A 5/8" dia. GR 5 N/A 120,000 psi N/A 1200 lbs. in.
W125-HD N/A 1/2 in. N/A 8000 lbs. N/A 3300 lbs. N/A 3/4" dia. Socket Head N/A 170,000 psi N/A 2600 lbs. in.
W150-HD N/A 1/2 in. N/A 13000 lbs. N/A 6280 lbs. N/A 7/8" dia. Socket Head N/A 170,000 psi N/A 5400 lbs. in.
W200-HD N/A 1/2 in. N/A 20000 lbs. N/A 8800 lbs. N/A 1" dia. Socket Head N/A 170,000 psi N/A 7500 lbs. in.
W250-HD N/A 1-1/4 in. N/A 25000 lbs. N/A 14000 lbs. N/A 1" dia. Socket Head N/A 170,000 psi N/A 7500 lbs. in.
W300-HD N/A 1-1/4 in. N/A 40000 lbs. N/A 25000 lbs. N/A 1.5" dia. Socket Head N/A 170,000 psi N/A 16000 lbs. in.
W400-HD N/A 1-5/8 in. N/A 75000 lbs. N/A 45000 lbs. N/A 2.0" dia. Socket Head N/A 170,000 psi N/A 29000 lbs. in.
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