JIS B 1059:2001 (R2016)

JIS B 1059:2001 (R2016)

Drilling screws with tapping screw thread - Mechanical and functional properties

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Details

This Standard specifies the properties of heat treated screws with a tapping screw thread in accordance with JIS B 1007, and which are designed with a drilling point which automatically drills the core hole for the screw during assembly. Such screws then automatically form the mating screw thread, either in a non-cutting or in a cutting operation, with the aid of the threaded portion of the screw adjoining the drilling point. The purpose of this Standard is to ensure that the screws are able to drill their core hole and form their mating screw thread without becoming distorted or fracturing in the process, provided that no overstressing has occurred. Consequently the following characteristics are regarded as representing the most important aspects for the assessment of the mechanical and operational characteristics of a drilling screw: - surface hardness, - capability of core hole drilling and forming of the mating female screw thread, - torsional strength.

Additional Info

Author Japanese Industrial Standard (JIS) / Japanese Standards Association (JSA)
Published by JSA
Document type Standard
Confirmation date 2016-10-20
ICS 21.040.30 : Special screw threads
21.060.10 : Bolts, screws, studs
Number of pages 9
Cross references ISO 10666 (1999-09), IDT
Set Fasteners & Screw Threads-2014
Document history
Keyword JIS 1059,1059