| EXTERNAL THREAD TOLERANCE CLASS | 6H6H | 
| FASTENER LENGTH | 39.0 MILLIMETERS MINIMUM AND 39.0 MILLIMETERS MINIMUM AND 40.0 MILLIMETERS MAXIMUM40.0 MILLIMETERS MAXIMUM | 
| GRIP LENGTH | 23.0 MILLIMETERS NOMINAL23.0 MILLIMETERS NOMINAL | 
| HEAD HEIGHT | 5.10 MILLIMETERS MINIMUM AND 5.10 MILLIMETERS MINIMUM AND 5.50 MILLIMETERS MAXIMUM5.50 MILLIMETERS MAXIMUM | 
| HEAD STYLE | HEXAGONHEXAGON | 
| MATERIAL DOCUMENT AND CLASSIFICATION | GM 500M(8.8) MFR REF SINGLE MATERIAL RESPONSE FASTENERGM 500M(8.8) MFR REF SINGLE MATERIAL RESPONSE FASTENER | 
| MATERIAL | PLASTIC POLYAMIDE NYLON LOCKING FEATURE | 
| MATERIAL | STEEL PROPERTY CLASS 8.8 FASTENERSTEEL PROPERTY CLASS 8.8 FASTENER | 
| NOMINAL THREAD DIAMETER | 8.0 MILLIMETERS8.0 MILLIMETERS | 
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | GM 4435-M,CODE A MFR REF SINGLE TREATMENT RESPONSE FASTENERGM 4435-M,CODE A MFR REF SINGLE TREATMENT RESPONSE FASTENER | 
| SURFACE TREATMENT | PHOSPHATE FASTENERPHOSPHATE FASTENER | 
| THREAD DIRECTION | RIGHT-HANDRIGHT-HAND | 
| THREAD LENGTH | 27.0 MILLIMETERS NOMINAL27.0 MILLIMETERS NOMINAL | 
| THREAD PITCH IN MILLIMETERS | 1.251.25 | 
| THREAD SERIES DESIGNATOR | MM | 
| WIDTH BETWEEN FLATS | 12.73 MILLIMETERS MINIMUM AND 12.73 MILLIMETERS MINIMUM AND 13.00 MILLIMETERS MAXIMUM13.00 MILLIMETERS MAXIMUM |