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Screw with semi-countersunk head GOST 1146-80

Screw with semi-countersunk head GOST 1146-80

A screw with a head of semi-countersunk type GOST 1146–80 of B-accuracy class is made of hardened steel. The diameter of the metal rod of the part is 1.6–10 mm. Traditionally, hardware has a galvanized coating of white or yellow zinc, the task of which is to provide parts with protection against corrosion and minor mechanical damage.The GOST 1146–80 screw with a semi-countersunk head is universal: it is used in everyday life, construction, manufacturing, and various industrial sectors for fastening structural parts made of wood, plywood, drywall, chipboard and plastic.

Characteristics

**Dimensions of screws with semi-countersunk head GOST 1146-80 in mm**
Head diameter	4.7	5.6	6.5	7.5	8.3	9.2	10.2	11	14.5
Height of the spherical part	0.6	0.75	0.9	1	1.1	1.25	1.4	1.5	2
Head countersunk height	1.5	1.65	1.93	2.2	2.35	2.5	2.75	3	4
Spline	0.6	0.8	0.8	1	1	1.2	1.2	1.6	2
Length	Diameter
Length	2.5	3	3.5	4	4.5	5	5.5	6	8
10	+	+	+
12	+	+	+	+
16	+	+	+	+	+	+
20	+	+	+	+	+	+	+	+
25	+	+	+	+	+	+	+	+
30	+	+	+	+	+	+	+	+
35		+	+	+	+	+	+	+	+
40		+	+	+	+	+	+	+	+
45			+	+	+	+	+	+	+
50			+	+	+	+	+	+	+
60				+	+	+	+	+	+
65					+	+		+
70				+	+	+	+	+	+
75						+		+	+
80					+	+	+	+	+
90						+	+	+	+
100						+	+	+	+
110								+	+
120								+	+

Complies with GOST 10620-80, DIN 95, DIN 7983, ISO 7051

GOST documentation