DIN 7979 Cylindrical Pin with Internal Thread

The DIN 7979 cylindrical pin with internal thread is a fastening element for mechanical engineering, machine tool building, instrument making and other industrial production sectors. The internal thread provides a reliable connection of parts through pre-prepared holes. The cylindrical profile allows fast and precise installation, and the threaded channel makes it possible to use standard fasteners — bolts or screws.

These pins have equivalents produced under the Russian standard GOST 9464, as well as the international standards ISO 8733 and ISO 8735.

Applications of DIN 7979 pins

Pins are used for precise positioning and fixing of machine, mechanism and other structural assembly parts. This prevents displacement of parts under operating loads and maintains the stability of the structure. The internal thread speeds up assembly and disassembly and simplifies repair work.

Characteristics of DIN 7979 pins

Pins are manufactured from carbon or stainless steel. Carbon steel has increased mechanical strength and wear resistance, suitable for harsh operating conditions. Stainless steel provides corrosion resistance, which is important in unfavorable climatic or chemical environments. Certain variants may have an additional anti-corrosion coating, such as zinc plating.

Main characteristics of DIN 7979 pins:

• high reliability and durability of the connection;
• convenient and fast installation and removal;
• various design and coating options;
• compliance with international quality standards.

Diameter — from 4 to 40 mm, length — from 10 to 140 mm.

Where to buy DIN 7979 pins

FLOK offers DIN 7979 pins wholesale and retail, with delivery across Russia and CIS countries.

Dimension table of DIN 7979 cylindrical pins with internal thread, mm

d₁	4	5	6	8	10	12	14	16	20	25	30	40
a₂	0.5	0.6	0.8	1	1.2	1.6	1.8	2	2.5	3	4	5
c₁	0.4	0.5	0.6	0.8	1	1.2	1.4	1.6	2	2.5	3	4
c₂	1.3	1.7	2.1	2.6	3	3.8	4	4.7	6	6	7	8
d₂	M2	M3	M4	M5	M6	M6	M8	M8	M10	M16	M20	M20
t₁	6	6	6	8	10	10	12	12	16	24	30	30
t2 min.	7	7	10	12	16	16	20	20	25	34	42	42