S203B Pull-Tight Wire Cable Seal （1.8mm wire cable）

No.S203B

S203B is a strong, pull-tight wire seal used to secure containers, trucks, tankers, railway wagons, and valves. It works like a heavy-duty cable tie but locks permanently. Once tightened, it cannot be loosened. You must cut the steel cable to open it, leaving clear evidence of tampering.

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Main Features

Simple to Use – Just pull the cable through the lock body and tighten by hand. No tools needed to close it.

Strong Steel Cable – Made of 7×7 aircraft-grade galvanized steel wire, 1.8 mm thick. It can hold up to about 1300 Newtons of pulling force.

Durable Lock Body – Outer shell is ABS plastic (strong, weatherproof). Inside is a zinc alloy locking mechanism that grips the cable tightly.

Laser Marking – Company name, logo, serial numbers, and barcodes can be printed on the lock body. The print will not fade or rub off.

Color Options – Available in blue, red, green, yellow, white, or custom colors.

Cut to Open – To remove the seal, cut the steel cable with special cable cutters. The seal cannot be reused.

Product Size & Specs

Item	Details
Lock body shell	ABS plastic
Inner lock part	Zinc alloy
Cable	7×7 galvanized steel, 1.8 mm diameter
Standard cable length (exposed)	180 mm (custom lengths available)
Breaking strength	Approx. 1300 N
Marking method	Laser printing (text, logo, barcode)
Colors	Blue, red, green, yellow, white (custom OK)
Closing method	Pull tight by hand (self-locking)
Opening method	Cut cable with pliers (one-time use)
Packing	500 pieces per carton
Carton size	400 × 270 × 120 mm

Where to Use It

Shipping containers and trailer doors

Truck and tanker compartments

Railway freight wagons

Oil drums and storage tanks

Pipeline valves and equipment

Warehouse cages and security gates

Customization Options

Laser Print – Your company name, logo, serial numbers, or barcodes

Cable Length – 120 mm, 150 mm, 200 mm, or any length you need

Body Color – Choose from standard colors or match your own color code

S203B Wire Seal is a strong, pull-tight cable seal with a 1.8 mm steel cable (≈1300 N strength), ABS/zinc lock body, laser marking, and simple hand-tightening. Perfect for containers, trucks, tankers, and valves.