TEKS®
Self-Drilling Fasteners
First in performance!! Over 30 years of consistent drilling. The original self-drillers for heavy duty applications.
Applications
 | Metal deck to structural steel or bar joist. |
| Clips to structural steel or bar joist. |
| Liner panels to structural steel or bar joist. |
| Accessories to structural steel or bar joist. |
| Longer length fasteners can be used in retrofit clip and sheet applications. |
Product Features
| Unique double fluted point has precise cutting edges to improve drill performance in 1/4" thru 1/2" steel. |
| Engineered for fast drilling and smooth tapping with less effort. |
| Climaseal® finish provides excellent corrosion resistance and lower tapping torque. |
| Attachments up to 7.2" of material including 1/2" steel. |
| 1/4 Diameter has notched threads to reduce tapping torque. |
Product Specifications
Diameter........#12, 1/4
Thread Form.....12-24, 1/4-28
Head Style......#12: 5/16" HWH
1/4: 5/16" HWH
1/4: 3/8" HWH
Drill Point.....Teks 4
Teks 4.5
Teks 5
Finish..........Climaseal
CAD 2004 Drawings
| Heavy Profile - (520 Kb.zip) |
In order to view ACAD 2004 files, the user must have either ACAD 2004, ACAD LITE 2004, or VOLO VIEW. These are the only programs we support.
Approvals and Listings
| Factory Mutual (J.I. 2 X 942 AM) | ||||
| This confirmation, as evidenced in ICC-ES evaluation report ER-3056, provides guidance to code officials faced with approving the use of Steel Deck Diaphragms Attached with TEKS® and I.C.H. TRAXX® Screws under these codes. The evaluation report is available online at - Evaluation Report: ER-3056 | ||||
| This confirmation, as evidenced in ICC-ES evaluation report ER-1976, provides guidance to code officials faced with approving the use of TEKS® Self-drilling Tapping Screws - Fastener Shear and Tension values under these codes The evaluation report is available online at - Evaluation Report ESR-1976
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Corrosion Resistance
| Kesternich Results (DIN 50018, 2.0L)
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| Salt Spray Results (ASTM B117)
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Selector Guide
| Part# | Description | Head Style | Drill Point | Drill & Tap Capacity | Max Material Attachment | Box Qty |
| 1088000 | 12-24 x 7/8" | HWH | #4 | .125-.250 | .325 | 5,000 |
| 1414000 | 12-24 x 1/1-4" | HWH | #4.5 | .125-.375 | .575 | 4,000 |
| 1006000 | 12-24 x 1-1/4" | HWH | #5 | .125-.500 | .375 | 4,000 |
| 1070000 | 12-24 x 1-1/2" | HWH | #5 | .125-.500 | .625 | 2,500 |
| 1072000 | 12-24 x 2" | HWH | #5 | .125-.500 | 1.125 | 2,000 |
| 1074000 | 1/4-28 x 3" | *HWH | #5 | .125-.500 | 2.150 | 1,000 |
| 1075000 | 1/4-28 x 4" | *HWH | #5 | .125-.500 | 3.150 | 500 |
| 1641000 | 1/4-28 x 5" | HWH | #5 | .125-.500 | 4.150 | 250 |
| 1431000 | 1/4-28 x 6" | HWH | #5 | .125-.500 | 5.150 | 250 |
| 1590000 | 1/4-28 x 8" | HWH | #5 | .125-.500 | 7.150 | 150 |
All available with bonded washer
* 5/16" Across Flats HWH
Performance Data
| PULLOUT VALUES (average lbs. ultimate) | ||||||
| Fastener | Steel Gauge | |||||
| Dia. | Pt. | 16 | 14 | 12 | 3/16 | 1/4 |
| 12 | 4 | - | - | 1532 | 3485 | 4013 |
| 4.5 | - | - | 1508 | 3865 | 4101 | |
| 5 | - | - | 1527 | 3701 | 3999 | |
| 1/4 | 5 | - | - | 1507 | 3300 | 5059 |
| PULLOVER VALUES (average lbs. ultimate) | |||||||
| Fastener | Steel Gauge | ||||||
| Dia. | Pt. | 26 | 24 | 22 | 20 | 18 | 16 |
| 12 | 4/4.5/5 | 550 | 928 | 1087 | 1452 | 1830 | 2452 |
| 1/4 | 5 | 598 | 932 | 1276 | 1393 | 1950 | 2388 |
| FASTENER VALUES | |||
| Fastener (dia-tpi) | Tensile (lbs. min.) | Shear (avg. lbs. ult.) | Torque (min. in. lbs.) |
| 12-24 T/4 | 3020 | 2100 | 100 |
| 12-24 T/4.5 | 3165 | 2200 | 150 |
| 12-24 T/5 | 3020 | 2100 | 150 |
| 1/4-28 T/5 | 5577 | 3310 | 234 |
| SHEET STEEL GAUGES | ||||||||
| Gauge No. | 12 | 14 | 16 | 18 | 20 | 22 | 24 | 26 |
| Decimal Equivalent | .105" | .075" | .060" | .048" | .036" | .030" | .024" | .018" |
| SHEAR VALUES (average lbs. ultimate) | ||||||
| Fastener | Steel Gauge (lapped) | |||||
| Dia. | Pt. | 16 | 14 | 12 | 1/8 | 1/4 |
| 12 | 4 | - | - | 2048 | 2030 | - |
| 4.5 | - | - | 2641 | 2887 | 2897 | |
| 5 | - | - | 2650 | 2700 | 2762 | |
| 1/4 | 5 | 1597 | 2005 | 2350 | 2792 | 3310 |
Note: Teks fasteners are not categorized as structural bolts. Proper design criteria and strengths must be used for satisfactory application. The values listed are ultimate averages achieved under laboratory conditions and apply to Buildex manufactured fasteners only. Appropriate safety factors should be applied to these values for design purposes.
Installation Guidelines
| A standard screwgun with a depth sensitive nosepiece should be used in install Teks. For optimal fastener performance, the screwgun should be a minimum of 6 amps and have a RPM range of 0-2500. (Maximum 1800 RPM is recommended for Teks 5 fasteners) |
| Adjust the screwgun nosepiece to properly seat the fastener. |
| New magnetic sockets must be correctly set before use. Remove chip build-up as needed. |
| The fastener is fully seated when the head is flush with the work surface. |
| Overdriving may result in torsional failure of the fastener or stripout of the substrate. |
| The fastener must penetrate beyond the metal structure a minimum of 3 pitches of thread. |
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Last modified: June 24, 2008
