ASME B18.3 SOCKET HEAD CAP SCREW — 7/8

ASME B18.3 SOCKET HEAD CAP SCREW — 7/8: head diameter 32.84–33.32 mm, head height 21.95–22.22 mm, pitch 9 TPI. Material Grade 5, surface Plain, tensile strength 119,946 psi. Dimensional tolerances per ASME B18.

BOLTS

High-performance industrial fastener under ASME B18.3 standard.
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Material Grade Filter

Dimensions

Head Diameter (A)32.84–33.32 mm
Head Height (H)21.95–22.22 mm
Pitch9 TPI
Tensile Strength119,946 psi
MaterialGrade 5
SurfacePlain

Dimensional tolerances per ASME B18.3-2003 Table 1A. Hex socket across flats (J): 3/4 in, controlled by go / no-go gauge per Mandatory Appendix I.

Grades

Grade 5

Grade Grade 5 · Plain

Grade 5

Grade Grade 5 · Zinc

Grade 5

Grade Grade 5 · HDG

Grade 8

Grade Grade 8 · Plain

Grade 8

Grade Grade 8 · Zinc

Grade 8

Grade Grade 8 · HDG

← Back to ASME B18.3 SOCKET HEAD CAP SCREW → B3 Grade Matrix → Engineering Center (C)

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Contact engineering team for verified B2 data reference.

ASME B18.3 Socket Head Cap Screw per ASME B18.3 specification, available in Grade 5 grade with Plain finish. Engineered for industrial OEM applications requiring 827.0 MPa tensile strength and reliable long-term fastening performance.

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Frequently asked questions

What is the head height of ASME B18.3 SOCKET HEAD CAP SCREW — 7/8?

21.95–22.22 mm (nominal with the tolerance range shown above)

What is the head diameter of ASME B18.3 SOCKET HEAD CAP SCREW — 7/8?

32.84–33.32 mm (nominal with the tolerance range shown above)

What is the thread pitch of ASME B18.3 SOCKET HEAD CAP SCREW — 7/8?

9 TPI

What material, finish and strength does this page list?

Material: Grade 5, surface: Plain, tensile strength: 119,946 psi.

Which tolerance basis is used on this page?

ASME B18.