Product Overview

2
INSTALLATION SPECIFICATIONS
1-800-435-7213
©2021 ELCO – REV. A
BI-FLEX
®
INSTALLATION SPECIFICATIONS
Point Size Selection
Maximum Combined Material Thickness By Point Type
Maximum Recommended
Installation RPM
Diameter RPM
#8
2500#10
#12
#12**
1800
1/4"
** Applies to #12 diameter
screws with point type 5
Nominal Sheet
Metal Sizes
Gauge Decimal (in.)
25 0.021
22 0.030
20 0.036
18 0.048
16 0.060
14 0.075
12 0.105
Nominal Screw Sizes
Thread Dia. Decimal (in.)
#8 .164
#10 .190
#12 .216
1/4" .250
Drilling and Tapping Capacity (Maximum Material Thickness)
Steel Aluminum
Dia.
Point
Type
.500"
.400"
.300"
.200"
.100"
0"
.100"
.110"
.230"
.188"
.375"
Combined Material Thickness
#8 #10 #12 1/4"
235
35
#12 1/4" #12 1/4" #10 #12 1/4"
Bi-Flex
Wood-to-Metal
(W/Wings)
.500"
Dia.
Point
Type
.500"
.400"
.300"
.200"
.100"
0"
.125"
.250"
.210"
Combined Material Thickness
#8 #10 #12 1/4"
235
35
#12 1/4" #12 1/4" #10 #12 1/4"
Bi-Flex
Wood-to-Metal
(W/Wings)
.500" .500"