The proven design of the STA-LOK turnbuckle exceeds the breaking loads of today’s modern high strength compact strand wire ropes.

Forged from high tensile bronze alloy, the aerodynamic design of the turnbuckle provides one of the strongest most elegant bronze turnbuckles on the market today.

Finished in highly polished chromium with a variety of stainless steel ends to suit most rigging applications. The STA-LOK forged bronze turnbuckle has become the first choice for designers and riggers around the world
Rigging Screw approximate dimensions:

Rigging Screw Data

Cat Ref	Wire Size	UNF Thread	Fully Open	Fully Closed	Fork Width	Pin Dia	Min Break Load  KGF
B21-14	3mm	1/4	238	162	6.4	6.2	1319
B21-516	4/5mm	5/16	268	181	7.9	7.7	2118
B21-38	5/6mm	3/8	296	204	9.5	9.3	3255
B21-716	6/7mm	7/16	340	238	11.1	10.9	4388
B21-12	7/8mm	1/2	365	264	12.7	12.6	5970
B21-58	8/10mm	5/8	536	311	15.9	15.6	9613