Grease Fittings

1/4-28 Taper Thread Fittings	Used on most cars and trucks and on many industrial machines. Dirt excluding ball check. Maximum pressure 10,000 PSI.
1/4 NPT Fittings	Widely used for larger bearings on farm machinery and industrial equipment. Especially recommended for heavy lubricants in cold weather. Dirt excluding ball check. Maximum pressure 10,000 PSI.
1/8 NPT Fittings	Used on many industrial machines. Features dirt excluding ball check. Maximum pressure 10,000 PSI.

Model Number	Thread 1	Type	Length	Shank Length	Hex
B1610-BL	1/8 NPT	Extra Short Straight	11/16	0.3	0.4375
B1688-B	1/8 NPT	Extra Short 45°	0.89	0.3	0.44
6000-ARO	1/8 NPT	Extra Short Straight	0.66