selfdrillingheading

Unslotted Indented Hex Washer Head, 4 pt, Zinc Plated w/Bonded NEO-EPDM Washer

HA4

Material Application: Attaches metal to metal.

Size Pt Bulk Part No Bulk Qty Lbs* Drill Cap (in.) Washer 5lb Part No 5lb Qty 1lb Part No 1lb Qty
12-24 x 7/8 4 HA4 3M 38 .125 – .250 9/16” O.D. HA4V 400 HA4I 80
*Carton weights are approximate and may vary.

Specifications

  • Meets ASTM C 1513 for cold-formed steel framing connections
  • Meets F.I.P.-1000.7 for torsional strength & drill speed
  • Manufactured to SAE J78 for dimensional specifications
  • Meets ASTM A 510 for carbon steel manufacturing
  • Meets ASTM F1941 for corrosion resistance

Test Results

Pullout Values (Avg. Lbs.)
Fastener Steel Gauge
Size Pt 20 18 16 14 12 1/8 3/16 1/4
12-24 4 959 1489 2371 3384 3732
Shear Values (Avg. Lbs.)
Fastener Steel Gauge (Lapped)
Size Pt 20 18 16 14 12 1/8 3/16 1/4
12-24 4 1989 1972
The values listed are averages achieved under laboratory conditions and imply no warranty. Appropriate safety factors should be applied to these values for design purposes.