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ISO4017M8X1.25X40-8.8 — SCREW,CAP,HEXAGON HEAD

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

ISO4017M8X1.25X40-8.8: SCREW,CAP,HEXAGON HEAD.

The SCREW,CAP,HEXAGON HEAD is a the manufacturer industrial component. Key specifications include material: STEEL PROPERTY CLASS 8.8 OVERALL, head_style: HEXAGON, head_height: 5.3 MILLIMETERS NOMINAL MM, thread_length: 40.0 MILLIMETERS NOMINAL MM, fastener_length: 40.0 MILLIMETERS NOMINAL MM, hardness_rating: 22.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM OVERALL. This part is cataloged in the U.S.

Government catalog under NSN 5305-01-567-7738, indicating validated use in U.S. government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels.

Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS
ISO4017M8X1.25X40-8.8
NSN: 5305-01-567-7738
FSC: 5305 — Screws
CAGE: I9008 — INTERNATIONAL ORGANIZATION FOR STANDARDIZATION (ISO) (CHE)
SPECIFICATIONS
materialSTEEL PROPERTY CLASS 8.8 OVERALL
head_styleHEXAGON
head_height5.3 MILLIMETERS NOMINAL MM
thread_length40.0 MILLIMETERS NOMINAL MM
fastener_length40.0 MILLIMETERS NOMINAL MM
hardness_rating22.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM OVERALL
thread_directionRIGHT-HAND
width_between_flats13.0 MILLIMETERS NOMINAL MM
end_item_identification2320-01-522-1858, TRUCK,DUMP
nominal_thread_diameter8.0 MILLIMETERS MM
minimum_tensile_strength116 POUNDS PER SQUARE INCH LBS
thread_series_designatorM
NSN5305-01-567-7738
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: ISO4017M8X1.25X40-8.8 · OEM ⚠ VERIFY BEFORE ORDERING Verify thread pitch before ordering — metric (M8×1.25) ≠ imperial (5/16-18). Wrong thread = wrong part. Grade/class stamped on bolt head determines tensile strength ✓ BROKER TIP Grade/class stamped on head determines tensile strength. Grade 8 > Grade 5 > Grade 2. Always confirm head marking matches specification requirement PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
HEAD HEIGHT: 5.3 MILLIMETERS NOMINAL MM
•
EXTERNAL THREAD TOLERANCE CLASS: 6H
•
FASTENER LENGTH: 40.0 MILLIMETERS NOMINAL MM
•
THREAD PITCH IN MILLIMETERS: 1.3
•
THREAD LENGTH: 40.0 MILLIMETERS NOMINAL MM
•
HARDNESS RATING: 22.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM OVERALL
•
MATERIAL DOCUMENT AND CLASSIFICATION: DIN 268, PART II, GRADE A4. CLASS BD NATIONAL STD/SPEC SINGLE MATERIAL RESPONSE OVERALL
•
NOMINAL THREAD DIAMETER: 8.0 MILLIMETERS MM
TECHNICAL CHARACTERISTICS
HEAD HEIGHT5.3 MILLIMETERS NOMINAL MM
EXTERNAL THREAD TOLERANCE CLASS6H
FASTENER LENGTH40.0 MILLIMETERS NOMINAL MM
THREAD PITCH IN MILLIMETERS1.3
THREAD LENGTH40.0 MILLIMETERS NOMINAL MM
HARDNESS RATING22.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONDIN 268, PART II, GRADE A4. CLASS BD NATIONAL STD/SPEC SINGLE MATERIAL RESPONSE OVERALL
NOMINAL THREAD DIAMETER8.0 MILLIMETERS MM
HEAD STYLEHEXAGON
THREAD DIRECTIONRIGHT-HAND
OTHER ITEMS IN FSC 5305 — Screws
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5305-00-000-0094 5305-00-000-1397 5305-00-000-2625 5305-00-000-3669 5305-00-000-3830 5305-00-000-3831
SUBSTITUTES & CROSS-REFERENCES 2
250000285Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
DIN933M8X1.25X40-8.8Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is ISO4017M8X1.25X40-8.8?
ISO4017M8X1.25X40-8.8 is a SCREW,CAP,HEXAGON HEAD.
What parts can replace ISO4017M8X1.25X40-8.8?
There are 2 known substitutes for ISO4017M8X1.25X40-8.8: 250000285, DIN933M8X1.25X40-8.8. Substitute compatibility should be verified for your specific system.
What is the NSN for ISO4017M8X1.25X40-8.8?
ISO4017M8X1.25X40-8.8 is cataloged in the U.S. Government catalog under NSN 5305-01-567-7738. This indicates validated use in U.S. government and defense supply chains.
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