Groz grease nipples are manufactured to the most stringent quality standards - TS16949 approved. Fitting profile and dimensions are accurately controlled and conform to SAE, DIN,BS, JIS & IS standards. Grease fittings are heat treated to SAE J534 specification with hardness on greasing end to a minimum of 83 on Rockwell 15N scale with a case depth of 0.005" (0.13mm) to 0.009" (0.23mm). Fittings with ball check use heat treated springs for increased life. Steel fittings are plated in yellow zinc with a plating thickness of 0.0002" (5 microns) confirming to SAE J534 specification and have a guaranteed salt spray life of over 75 hours to red rust.
| Part No. | Description | Thread length | Shank length | Overall length | Hex size |
| ZGFT1827 | 1/8" BSP straight | 4.76mm min | 7.1mm | 16.8mm max | 7/16" |
| ZGFT1418 | 1/4" NPT straight | 6mm min | 10.7mm | 22mm | 9/16" |
| ZGFTR1828 | 1/8" BSPT straight | 3.75mm min | 5.5mm max | 16mm max | 11mm |
| ZGFTR1419 | 1/4" BSPT straight | 4.2mm min | 6.5mm | 17.5mm | 9/16" |
| ZGFT81 | M8 x 1 straight | 3.75mm min | 5.5mm max | 16mm max | 9mm |
| ZGFT61 | M6 x 1 straight | 3.75mm min | 5.5mm max | 16mm max | 7mm |
| ZGFT1428UNF | 1/4" UNF straight | 2.5mm min | 4.6mm | 15mm max | 8mm |
