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SAE Products 1/4"-18 PTF pressure relief grease fittings are commonly referred to as 1/4"-18PTF pressure relief zerk fittings. Below is an image and drawing of SAE Products H-300-47200 pressure relief grease fitting.  For more information on our relief fittings call us toll free at 1-800-588-8480.

Pressure Relief Grease Fitting Description
Part #	Thread	Min. psi	Max. psi	Overall Length	Shank Length	Hex Size
H-300-47200	1/4"-18 PTF	1	5	43/64"	27/64"	39/64"

Pressure Relief Grease Fitting	Pressure Relief Grease Fitting

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• 1/4"-28 Taper Thread Grease Fittings
• 1/4"-28 Straight Thread Grease Fittings
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• Grease Fitting Tools
• Grease Fitting Kits
• Grease Fitting Junction Blocks
• Fitting Accessories
• Grease Guns
• Grease Gun Hoses
• Oil Cans / Spouts / Funnels
• Retaining Rings
• Retaining Ring Kits
• Retaining Ring Tools