Graco 102962 SCH Cap Screw 5/16-18 X 1.250

Genuine Graco 102962 SCH Cap Screw – designed for precise and durable fastening in major Graco sprayer assemblies. Perfect OEM fit for key drive and housing components.

Thread size: 5/16-18 UNC
Length: 1.250 inch (1-1/4")
Used in GMAX 3400, GMAX II 5900/7900, Reactor E-30, E-XP2
High-strength socket-head design for reliable clamping

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Description

Product Overview & Key Details

The Graco 102962 SCH Cap Screw (socket-head cap screw) in size 5/16-18 x 1.250 is a genuine OEM fastener used in multiple Graco sprayer families for securing drive, housing, and structural components. Always match length and thread to the parts diagram for your specific machine.

Compatible Machines

GMAX Series
- GMAX 3400 (Standard Series)
- GMAX II 3900
- GMAX II 5900
- GMAX II 7900
Reactor Electric Proportioners
- Reactor E-30
- Reactor E-XP2

Technical Specifications

Part Number	102962
Type	SCH Cap Screw (Socket-Head Cap Screw)
Thread Size	5/16-18 UNC (coarse)
Length	1.250 in (≈ 1-1/4")
Typical Use	Secures drive covers, gear/clutch housings, and other structural components (location varies by model)
Replacement Guidance	Replace with identical 5/16-18 x 1.250 OEM fastener; follow torque spec in the service manual. Use specified lock/spring washers where called out.

Fitment & Usage Notes

Common in GMAX drive assemblies and Reactor housings; exact placement differs by revision.
Do not substitute different lengths; improper engagement can damage threads or interfere with internal parts.
If your manual specifies a washer (e.g., spring/lock), reuse or replace with the correct OEM part.

Frequently Asked Questions

Yes, 102962 appears in the parts breakdown for these series. Check your exact model/revision to confirm the location and quantity.

Torque depends on application and mounting surface. Refer to your model’s service manual and apply the recommended torque for a 5/16-18 socket-head cap screw in that assembly.

Use any specified lock/spring washer from the parts diagram. Medium threadlocker may be recommended in high-vibration areas if the manual calls for it.

Only if the grade/finish matches or exceeds OEM requirements and does not affect clamping force or corrosion compatibility. OEM parts are preferred for warranty and reliability.

Quantity varies by model and assembly. Many GMAX drive-section diagrams show multiple pieces; confirm against your exact parts list.