#12-24 x 1 1/4″ ZAC® SD5 Metal Self-Drill Screw, Zinc Alloy Capped HWH (3/8″)

Product: #12-24 x 1-1/4″ SD5 HWH (3/8″)
Product Type: Self-Drilling Screw
Material: Carbon Steel
Diameter: #12
Diameter [mm]: 5.4 mm
Threads Per Inch: 24
Head Style: Cupped Hex Washer Head
Drive Socket: 3/8″ Hex
Washer: Cut Washer EPDM
Drill Point: SD5
Drill Capacity Max: 0.500″

Drill Capacity Range:
1.91 mm – 12.7 mm

Thread Major Diameter:
0.212″
5.4 mm

Thread Minor Diameter:
0.184″
4.7 mm

Loading Bearing Length:
0.40″
0.65″
10 mm
16 mm

Head Cap: ZAC Zinc Aluminum Capped

Application: Metal panel and insulated metal panel to medium and heavy gauge metal applications.

Features & Benefits:
Zinc alloy cap head that will never red rust.
Precision cold forged for superior strength and fast drilling performance.
Designed for low driving and thread engagement torque while providing maximum clamp load.
Special long pilot length to accommodate nested purlins.
Assembled EPDM sealing washer for a consistent weather-tight seal.
Long life fastener limited warranty.

Useful Information:
Install fasteners with 0–2000 RPM screw gun equipped with depth sensing nose piece.
Fastener length should provide a minimum of 3/16″ penetration of fully developed threads into metal substrate.
Use of impact guns or hammer drills is not recommended.