Double Thread

Washer
Double-threaded

Double Thread
Equipped with sharp drill tips and self-tapping capabilities, save installation time and effort. They are used in various applications such as construction, metal and wood, metal-to-metal fastening, outdoor structures, electrical installations, and more.
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Application & Usage

Professional thread design for optimal performance.

  • Equipped with double-threaded teeth to improve drilling efficiency
  • The hexagonal washer head provides a larger fastening area, offering better grip and torque
  • Easy installation with specialized tools to ensure a secure connection and significantly reduce the risk of slipping during operations

Provides a strong and durable locking effect, commonly used for roof installations.

Double Thread

Self-Drilling Screws

Uploaded 07/07/2023 | PATTA Marketing

Equipped with sharp drill tips and self-tapping capabilities, save installation time and effort. They are used in various applications such as construction, metal and wood, metal-to-metal fastening, outdoor structures, electrical installations, and more.

Technical Specifications

Available Sizes

Diameter (D)Length (L)Drill PointDrill Capacity
M6.3 / M5.560#512.0
80#512.0
100#512.0
125#512.0
150#512.0
M6.3 / M6.360#512.0
80#512.0
100#512.0
125#512.0
150#512.0
175#512.0
200#512.0
250#512.0
275#512.0
Dia (d)Length (L)Drill PointDrill Capacity
#14 - 14 / #12 - 242 - 3/8#50.472
3 - 5/32#50.472
4#50.472
5#50.472
6#50.472
#14 - 14 / #14 - 142 - 3/8#50.472
3 - 5/32#50.472
4#50.472
5#50.472
6#50.472
7#50.472
8#50.472
10#50.472
11#50.472

Self-Drilling Screws Product Catalog

PDF 6.38 Mb

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