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
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