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TECHNICAL BULLETIN
300 SERIES STAINLESS FASTENERS
Type of Fasteners
AB number 17 Diameter.
Type of Material
Fasteners are to be made from a good quality cold heading wire of type 304. 304 is
utilized to maximize hardness during the cold heading process. These harder threads
provide maximum strip out values higher than other types of stainless wires.
Type of Plating - (Optional)
X-Tend finish provides two layers of protection. The top seal is an effective
barrier to the environmental elements present. While the zinc layer
affords a secondary layer for even further protection. These two layers work
together to provide an exceptionally corrosion resistant coating.
Tool Selection
An electric screwgun with a variable speed of 0-1000 RPM is the suggested tool.
Recommended Usage
Type AB to be used for sheet to sheet or sheet to light gauge structural.
PERFORMANCE TESTS
Test Results
Strength of Fastener
| |
#17 Type AB |
| Minimum tensile strength |
4,380 lbs. |
| Minimum shear strength |
3,265 lbs. |
| Minimum torsional strength |
250 inch lbs. |
(These are conservative values) |
Test Results
Pull Out Tests
To determine the tension required to pull a properly drilled screws out
of steel member.
Average Pull Out Values in Lbs.
Thickness
of Steel |
Hardness of
Steel Rockwell B |
Drilled
Hole Size |
#17 Type AB |
| 18 gauge |
56 |
3/16" |
918 |
| 16 gauge |
60 |
#7 |
1151 |
| 14 gauge |
64 |
#1 |
1625 |
| 12 gauge |
64 |
1/4" |
1990 |
Test Results
Pull Over Tests
To determine the tension required to pull steel over fastener head.
Thickness
of Steel |
Hardness of
Steel Rockwell B |
Drilled
Hole Size |
Washer
Diameter |
Average Pull Over
in Lbs. |
| 20 gauge |
56 |
3/16" |
15mm Glav. |
1485 |
| 22 gauge |
52 |
3/16" |
15mm Galv. |
1273 |
| 24 gauge |
50 |
3/16" |
15mm Galv. |
906 |
| 26 gauge |
49 |
1/8" |
15mm Galv. |
644 |
The test results shown are believed to be reliable.
However, variances in testing and actual field
conditions may alter the results. There is no
expressed or implied warranty on the test Data.
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