Rapierstar Carbon Steel Self Tapping Thread Drill Point – CSR 4.8 x 50 Z

Description

These Rapierstar countersunk head screws are threaded with a steel point for ease of use.

Features:

Recess: Phillips No.2.
Typical Application; Keep to Frame or Butt Hinge to Door Sash.
Screws are manufactured and supplied to ISO 9002 standard.
Technical Specification:

Windows and doors fabricated using our screw range have surpassed the following British Standards:

BS7412 – corrosion resistance in accordance to BS 7479.
BS6375 Pt.II – particular attention is drawn to our screws exceeding clause 6.5 – resistance to accidental loading.
BS7950 – enhanced security for windows and PAS 023/024 for doors.
Material Specification:

C1018-C1022 Carbon Steel
Zinc + Clear Passivation
Zinc +Yellow Passivation or Stainless Steel.