|
|
| You Are Here: |
Fastener Solutions > Screws > 12 x 7/8-in, Hex Head, Drivall®, 24TPI, Clear Zinc, Bulk (Approx. Pcs. 3,500) |
|
|
|
12 x 7/8-in, Hex Head, Drivall®, 24TPI, Clear Zinc, Bulk
122478H4
Features:
Attaches heavy gauge 20-8 ga. metal to metal. Hex head framing screw used in heavy gauge metal to metal applications where high torque...
|
|
|
|
|
|
|
Attaches heavy gauge 20-8 ga. metal to metal. Hex head framing screw used in heavy gauge metal to metal applications where high torque is required.
Specifications:
Gauge: #12
Length: 7/8-in
Head Type: Hex framing
Thread Type: Single lead
Coating: Clear zinc
Point: Tek 4
Installation Guidelines:
Use a standard screwgun with a depth-sensitive nose piece. Suggested screwgun specification for optimal performance – 4 amps minimum and RPM range of 0 to 2,500.
- The hex head is fully seated when the head is flush with the work surface.
- Overdriving my result in fastener failure or strip out of the work surface.
- The fastener must penetrate beyond the metal three full thread pitches.
Hydrogen Embrittlement:
Grabber’s 10, 12 & 14 gauge zinc-plated drill point fasteners are manufactured in ISO 9002 factories, plated as prescribed in the ASTM F1941-10 Standard Specification for Electrodeposited Coatings on Threaded Fasteners, and post-plating baked according to the process articulated in SAE AMS 2759/9, Hydrogen Embrittlement Relief (Baking) of Steel Parts, Section 3.3.3.1, and SAE J78, which calls for a four-hour minimum time for baking out entrapped hydrogen after acid treating the parts.
All GRABBER® screw products are manufactured in facilities that are ISO 9002 and ISO 14001 certified and approved. 
|