Durs Stitch Screw – Needle Tip

Self-locking screw with Ecoseal® and needle tip

The Durs Stitch screws were developed for sewing metal tiles and joining thin sheets. They are manufactured with Ecoseal® coating, ensuring the higher durability in the category. Its needle tip provides a higher load to thin sheets and avoids the need of replacing the fasteners during the construction work. In addition to reducing the risks of tile corrosion, since its drilling process does not generate swarf.

Higher load guarantee on thin sheets

The higher amount of threads provides a 65% increase in the contact area of thread with sheets, resulting in a higher pull-out load on thin sheets (less than 1mm)

Avoids installation of the wrong screw

It is easy to differ the fixing screws (drill bit) and seam (needle tip), which reduces the chance of errors while installing the cover

Cover without corrosion

Due to its needle tip, its drilling process does not generate swarf, reducing the risk of tile corrosion and the cleaning time after installation as well.

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Benefits

Higher load on thin sheets (less than 1mm)
Avoids installation of the wrong screw
It does not generate swarf, reducing the risk of tile corrosion
Highest resistance to corrosion in its category
Developed for industrial environments
Its design ensures perfect sealing, even when applied in extreme situations (up to 10º of tilt)
Sealing guarantee (EPDM washer, 97% pure)

Applications

Overlaying of metal tiles (single and thermo-acoustic) – sewing.

Joining of thin sheets (Steel frame).

Fixing side locking (sewing and fixation on thin sheets).

Fixing CAPs in zipped tiles.

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FIXING SINGLE TILES

DESCRIPTION U.M. APPLICATION
RANGE (MM)
WASHER COATING TIGHTENING WRENCH U.M. FRACTIONED AMMOUNT PER PACKAGE (PC) MASTER AMMOUNT PER PACKAGE
(PC)
PA 10 – 25 X 3/4” Needle Tip 0.3 TO 1.5 MM EPDM ECOSEAL 5/16” CX. 100 3000
PA 10 – 25 X 7/8” Needle Tip 0.3 TO 1.5 MM EPDM ECOSEAL 5/16? CX. 100 2,500

COMPOSITION: Material: Carbon steel with thermal treatment

FINISHING LAYER THICKNESS CORROSION RESISTANCE
SALT-SPRAY¹ KESTERNICH²
ECOSEAL 30K 30 MICRONS 1,500 HOURS 30 CYCLES

1 – ASTM B117, ABNT NBR 8094 and DIN 50021 Standards (red corrosion)
2 – DIN 50018 Standard (admitting 15% red corrosion on screw head)

 

FASTENER DETAILS

 

  • It is recommended to use a screwdriver with a depth limiter and maximum rotation of 2.500 RPM for gauges from 6 to 10 and 1.800 RPM for gauges from 12 to 18.
  • The limiter adjustment must be done on the specimen, never on the cover.
  • It is not recommended to use extension cords longer than 30 meters.
  • Make use of clean, and wear-free sockets

Frequently Asked Questions

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