Phillips Wafer Head w/Nibs, Self-Drilling, Ruspert Coating
Size
Part No.
Pt.
Qty.
Lbs.*
Drill Capacity (in.)
Drill Speed
Material Application
8-18 x 1-1/4
CB814
2
5M
29
.035 - .100
2500 RPM
Attaches cement board to metal studs.
8-18 x 1-5/8
CB815
2
4M
29
.035 - .100
2500 RPM
Attaches cement board to metal studs.
*Carton weights are approximate and may vary.
Specifications
Meets F.I.P.-1000.7 for torsional strength & drill speed
Ceramic coating provides protection from corrosion
Designed to work with all backer boards
Nibs under head clamp board firmly
Test Results
Pullout Values (Avg. Lbs.)
Fastener
Steel Gauge
Size
Pt.
20
18
16
14
12
1/8
3/16
1/4
8-18
2
292
479
685
933
1533
Shear Values (Avg. Lbs.)
Fastener
Steel Gauge (Lapped)
Size
Pt.
20
18
16
14
12
1/8
3/16
1/4
8-18
2
721
1031
1049
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.
