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Technical Data Sheet
PartsTable / COMPONENT / 1000-812
1000-812 ✓ Verified by PartsTable
3M · BOLT SCREW
WHAT YOU NEED TO KNOW
Grade/class stamped on head determines strength Metric and imperial threads look similar — measure pitch
Verify thread pitch — metric != imperial
PRODUCT OVERVIEW

The SCREW,CAP,HEXAGON HEAD is a 3M industrial component. Key specifications include material: STEEL OVERALL, head_style: HEXAGON, head_height: 0.150 INCHES MINIMUM AND 0.163 INCHES MAXIMUM IN, thread_class: 2A A, thread_length: 0.750 INCHES MAXIMUM IN, surface_finish: 125.0 MICROINCHES BEARING SURFACE OF HEAD. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5305-00-012-1887, 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
1000-812
NSN: 5305-00-012-1887
FSC: 5305
CAGE: 63734 — KAITLIN CORP (USA)
SPECIFICATIONS
materialSTEEL OVERALL
head_styleHEXAGON
head_height0.150 INCHES MINIMUM AND 0.163 INCHES MAXIMUM IN
thread_class2A A
thread_length0.750 INCHES MAXIMUM IN
surface_finish125.0 MICROINCHES BEARING SURFACE OF HEAD
fastener_length0.750 INCHES NOMINAL IN
hardness_rating80.0 ROCKWELL B MINIMUM AND 100.0 ROCKWELL B MAXIMUM OVERALL
thread_directionRIGHT-HAND
surface_treatmentCADMIUM OR ZINC OVERALL
width_between_flats0.428 INCHES MINIMUM AND 0.438 INCHES MAXIMUM IN
nominal_thread_diameter0.250 INCHES IN
NSN5305-00-012-1887
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 1000-812 · 3M ⚠ 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
•
FASTENER LENGTH: 0.750 INCHES NOMINAL IN
•
HEAD STYLE: HEXAGON
•
HARDNESS RATING: 80.0 ROCKWELL B MINIMUM AND 100.0 ROCKWELL B MAXIMUM OVERALL
•
THREAD DIRECTION: RIGHT-HAND
•
SURFACE FINISH: 63.0 MICROINCHES THREADS
•
MATERIAL: STEEL OVERALL
•
MATERIAL DOCUMENT AND CLASSIFICATION: SAE GR 2 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
TECHNICAL CHARACTERISTICS (FLIS)
FASTENER LENGTH0.750 INCHES NOMINAL IN
HEAD STYLEHEXAGON
HARDNESS RATING80.0 ROCKWELL B MINIMUM AND 100.0 ROCKWELL B MAXIMUM OVERALL
THREAD DIRECTIONRIGHT-HAND
SURFACE FINISH63.0 MICROINCHES THREADS
MATERIALSTEEL OVERALL
SURFACE FINISH125.0 MICROINCHES BEARING SURFACE OF HEAD
MATERIAL DOCUMENT AND CLASSIFICATIONSAE GR 2 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
THREAD LENGTH0.750 INCHES MAXIMUM IN
THREAD SERIES DESIGNATORUNIFIED NATIONAL COARSE (UNC)
VERIFIED SUBSTITUTES & CROSS-REFERENCES 23
1003050026Interchangeable
interchangeable cross-reference
interchangeable
912-3103-0769Interchangeable
interchangeable cross-reference
interchangeable
107-0401Interchangeable
interchangeable cross-reference
interchangeable
G3728Interchangeable
interchangeable cross-reference
interchangeable
1218-87Interchangeable
interchangeable cross-reference
interchangeable
1218-087-00Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 1000-812?
1000-812 is a SCREW,CAP,HEXAGON HEAD manufactured by 3M.
What parts can replace 1000-812?
There are 23 known substitutes for 1000-812: 1003050026, 912-3103-0769, 107-0401 and 20 more. Substitute compatibility should be verified for your specific system.
Is 1000-812 still available?
1000-812 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026