Wellhead & Pipelines Grease Injection Fittings Home / Products / Wellhead & Pipelines Grease Injection Fittings View all Products Vented Cap Body Grease Fitting with Giant Button Head (Dual connections) Giant & Standard Button Head Coupler Leak-Lock Fitting with Nylon Insert/Lock-on Style Safety Vent Coupler Grease Gun Lube Adapter (Nut & Swivel) Combination Lube Adapter Packing Injection Fitting Pressure Relief Tool ACC Pressure Relief Tool with Bleeder Valve The Fittings & Adaptor Kits Vented Cap Body Grease Fitting with Giant Button Head (Dual connections) Giant & Standard Button Head Coupler Leak-Lock Fitting with Nylon Insert/Lock-on Style Safety Vent Coupler Grease Gun Lube Adapter (Nut & Swivel) Combination Lube Adapter Packing Injection Fitting Pressure Relief Tool ACC Pressure Relief Tool with Bleeder Valve The Fittings & Adaptor Kits