Door Hardware Design and Hardware Considerations

Glossary

Strength Guidelines

Information About Loads on Rotary Door Latching Hardware

Procedure for Measuring Door Closing Force and Striker Bolt Load

Guidelines for Mounting Torque

Latch and Striker Installation

Finishes

Materials

Lubrication

FMVSS and EEC INTEREUROPE Standards

Fit for Use

TriMark (US) Warranty (pdf)

TriMark Europe Warranty (pdf)

Guidelines for Mounting Torque

Please note: The following are guidelines only. Installer should follow the fastener manufacturers' recommended torque values and consider the fastener grade/class, materials and surface condition of the threads.

Description	Use	Mounting Torque
M6mm brass inserts	Push button handles	50 to 59 in. lbs. or 5.6 to 6.7 N-m
M8mm brass inserts	Push button handles	59 to 70 in. lbs. or 6.7 to 7.9 N-m
1/4-20 UNC grade 5	Latches	96 to 120 in. lbs. or 10.7 to 13.3 N-m
M6x1 Class 8.8	Latches	96 to 120 in. lbs. or 10.7 to 13.3 N-m
M8x1.25 Class 8.8	Latches	200 in. lbs. or 22.2 N-m
3/8-16 UNC grade 8	Striker bolts	35 ft. lbs or 46.7 N-m
7/16-14 UNC grade 8	Striker bolts	56 ft. lbs. or 74.7 N-m
1/2-13 UNC grade 8	Striker bolts	85 ft. lbs. or 113.3 N-m
M12x1.75 grade 9.8	Striker bolts	85 ft. lbs. or 113.3 N-m
#8-32 thread forming screws	Die cast paddles	40 to 50 in. lbs. or 4.4 to 5.6 N-m
#10-24 thread forming screws	Die cast paddles	40 to 50 in. lbs. or 4.4 to 5.6 N-m

 

TriMark Corp. does not recommend the use of any type of thread locking materials on the mounting fasteners for any of our hardware unless previously reviewed and approved by TM Engineering.