Site Box Handle Lock

We provide our customers with good quality products at low prices.The Site Box Handle Lock is made of metal and features a long handle design for easy on/off operation. The lock is keyed for industrial environments and is dust and rust resistant.

Material Types:

We offer both zinc alloy and stainless steel. For customers seeking a balance between quality and price, we recommend zinc alloy. General-purpose scenes can choose aluminum alloy, the cost will be lower. Customers with higher quality requirements can choose stainless steel.

Appearance:

The appearance of a site box handle lock is determined by the material, with zinc and aluminum alloys in bright chrome and stainless steel in the original stainless steel color.

Differences between models:

MS303-1: with lock, the handle length is 57mm for zinc and aluminum alloys and 59mm for stainless steel., handle surface is flat.

MS303-A: press type, the handle length is 57mm, handle surface is flat.

New MS303-1: with lock, handle length of 60mm, handle is thickened, the surface is angular.

New MS303-A: press type, handle length 60mm, handle thickening treatment, angular surface.

FAQ

Q: How do I maintain it on a daily basis?

A: Clean the surface dirt and latch regularly;

Checking the tightness of screws to prevent loosening;

Wet environment needs to be sprayed with rust inhibitor;

Avoid violent impact on the handle.

Q: How to use MS303?

A: Press the button or key to unlock and turn the handle 90 degrees to open or lock the door.

Q: How to open the key lost in emergency?

A: Contact us for a replacement key; in case of emergency, it can be broken in by a professional (compliant operation is required).

Q：What should I do if the handle is loose or the rotation is stuck?

A:Check whether the fixing screws are tightened, remove the foreign matter of the latch; lubrication is recommended to use graphite powder to avoid oil-based lubricant adhering to dust.

Q:How thick are these two locks suitable for door panels?

A:The door thickness is usually 1-3mm, you need to make sure the holes match before installation.