safty nut 1.Standards: follow JIC, SAE, DIN, JIS and ISO9001 standard 2.Material: carbon steel, brass, alloy steel safty nutwe can supply the high quality hydraulic hose fittings, hydraulic adapters and quick couplings as per the customer's drawings or samples.Ferrules:01100 Ferrule for China 1-wire hose;01200 ferrule for China 2-wire hose;00100 ferrule for SAE 100R1A/DIN2002 1ST hose;00200 ...