Product Overview
ABH A571HD Aluminum Continuous Gear Hinges Full Surface
- BHMA Grade 1
- Full Surface, Heavy Duty
- No Door Inset, Flush Mount
- Bi-fold applications
- 48″ door width maximum
- 450 lbs. door weight maximum
- Fasteners: 12-24 X 1″ Phillips Pan Head, Self Drilling, Thread Forming Tek Machine Screw 1/4-20 x 1-1/4″ x 3/8 Dia. Sex Bolts and 1/4-20 x 1-1/4″ PH. Head Shoulder Bolts for door
- Standard Lengths: 79″, 83″, 85″, *95″
- Approved for use on metal swinging type fire doors rated up to and including 90 minutes
- Approved for use on wood swinging type fire doors rated up to and including 60 minutes
*Oversize handling fee applies (added at checkout)

| Brand | |
|---|---|
| Finish | Anodized Aluminum, Black, Dark Bronze |
| Length | 79" (for 6'8" door), 83" (for 7'0" door), 85" (for 7'2" Door), 95" (for 8'0" door) |
| Material | Aluminum |
| ANSI/BHMA Standard | ANSI/BHMA A156.26-2017 Certified |
| Fire Rating | Approved for use on metal swinging type fire doors rated up to and including 90 minutes, Wood doors up to 60 minutes |
| Continuous Hinge Type | Full Surface |
| Usage | Heavy Duty |
| Buy American Act Compliance | Meets Buy Amercian Act – Made in USA |
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ABH A571HD Heavy Duty Full Surface Continuous Geared Hinge










