What is ansi/bhma grade 3 certified

Products that receive ANSI/BHMA certification are designated as Grade 1, Grade 2 or Grade 3. The product grades indicate progressive levels of performance.

What is ANSI BHMA Grade 3 security?

A Grade 3 test includes one set of blows: two blows at 60 foot pounds. In addition, there are specific tests for a Grade 1 lock including the Abusive Locked Lever Test where the outside lock lever shall be subjected to torque of 1,000 pounds inches.

What is a BHMA certification?

The Builders Hardware Manufacturers Association (BHMA®) is the only organization accredited by the America National Standards Institute (ANSI) to develop and maintain performance standards for locks, closers, exit devices and other builders hardware.

What is the difference between Grade 2 and Grade 3 locks?

Grade 2 requires a key in knob, must hold up to 150 lb-in and a lever must hold up to 225 lb-in. Grade 3 requires a key-in-knob to withstand at least 120 lb-in and a lever lock must withstand at least 180 lb-in.

What does ANSI Bhma Grade 1 mean?

Many ANSI/BHMA standards define different product grades for a particular hardware item. These product grades (grade 1, 2, or 3 -- with grade 1 being the highest) are: Defined by progressive levels of performance benchmarks in each applicable ANSI/BHMA standard. Also ascertained by looking at its BHMA® product number.