Select SL84 HD Heavy Duty Full Mortise Piano Hinges

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12.00 LBS
Width x Height x Depth:
4.00 (in)


87.00 (in)


3.00 (in)

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Calculated at Checkout

View Select Hinges SL84 HD Catalog | View SL84HD Price List Electric Preparation for Select SL84 HD Hinges


Select SL84 HD Heavy Duty Full Mortise Piano Hinges

The Select SL84 HD heavy duty full mortise piano hinge is a concealed hinge with a beveled frame leaf and door edge protector. This Select SL84 HD hinge is a grade1 hinge, which after brutal testing has been granted a US Department of State certification. This means that the Select SL84 HD hinge deflected bullets in the Ballistic Resistance Test and withstood sledgehammers, wedges and other tools in the Forced Entry Test. The Select SL84 full mortise piano hinge is approved for use in U.S. embassies overseas.

Apart from quality, the Select SL84HD is characterized by high peformance and quiet operations. The high quality finish prevents corrosion leading to lesser maintenance. The Select SL84-HD is available in different lengths, and even custom lengths are availale. Please call us, if you want a Select SL84HD in a custom length or finish.

Electric preparations for the Select SL84 full mortise piano hinge are also available upon request.

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Features of the Select SL84HD


Extruded 6063 T6 aluminum alloy with self-lubricating polyester thrust bearings.


The Select SL84-HD is available in 83"and 95" lengths standard for nominal door heights. Custom lengths are available.


For 1-3/4" doors. 48" max. door width in 16 gauge hollow metal (min.) or 1/8" aluminum (min.).

Heavy Duty – Tested per BHMA standards. Up to 200 lb. doors (high-frequency) and up to 400 lb. doors (medium-frequency) without frame or door reinforcement; up to 600 lb. doors (low-frequency) with the use of Rivnuts in the frame and door.

Heavy Duty (LL) – Our HD hinge with additional fastener holes for low-frequency doors up to 1,000 lb., including most lead-lined doors. Rivnuts are recommended in the frame and door on extremely tall, extremely heavy or wide doors.


All SL84 hinges are stocked in Clear and Dark Bronze anodized aluminum. Custom anodized or painted finishes are available. Product painted or anodized in the field voids the SELECT hinge warranty.


Conventional overhead surface, concealed sliding arm overhead or floor closers may be used with SELECT hinges. Pivot-type floor closers (with a fixed, conflicting center pivot) must be replaced.


Specify length, finish and heavy duty (HD) or heavy duty with additional fastener holes (LL). Also, specify door and frame screw applications. 12-24 x 3/4" self-drilling, thread-forming 410SS Phillips undercut flathead screws are provided as a standard pack unless otherwise specified. Wood and thread-forming screws also available. Security screws optional at extra cost.


EPT, ATW, EMS, CTW4, CTW5, CTW8, CTW10, CTW12, CMG, AP and RP. For CTW12 prep, please consult us for engineering approval.


Select SL84HD and Select SL84LL geared continuous hinges conform to BHMA Standard ANSI/BHMA A156.26-2006 Grade 1.

Select SL84-HD Screw Count

Select SL84 Screw Count