Contract Door Security Bolt, sometimes called a Rack Bolt. The bolt is morticed inside the door edge and can be locked or unlocked via a separate splined key or with a fixed splined turn. The bolt has an internal sawtooth rack mechanism into which the splined key is inserted. The spline engages with the rack teeth and forms a gearing action which smoothly operates the bolt. Splined Key or Turn to be ordered separately. Comes with a 5 year mechanical guarantee. Suitable for use in all domestic, industrial and commercial environments.
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