METRIC SOCKET SET SCREW DIMENSIONS

Dimensions of metric socket set screw with flat, cone, long dog and cup point are shown in the following charts according to DIN EN ISO 4026:2004, DIN EN ISO 4027:2004, DIN EN ISO 4028:2004 and DIN EN ISO 4029:2004 standards.

DIN EN ISO 4026 specifies the characteristics of hex socket set screws with flat point and thread sizes from M1.6 up to and including M24.

DIN EN ISO 4027 specifies the characteristics of hex socket set screws with cone point and thread sizes from M1.6 up to and including M24.

DIN EN ISO 4028 specifies the characteristics of hex socket set screws with dog point and thread sizes from M1.6 up to and including M24.

DIN EN ISO 4029 specifies the characteristics of hex socket set screws with cup point and thread sizes from M1.6 up to and including M24.


Calculator:

INPUT PARAMETERS
Thread Size [d]
Point Type Flat Point Cone Point Long Dog
 Point
Cup
Point
Nominal Length [l] Note 1

Note 1: The range of commercial lengths is given in the list. Consult manufacturer for availability of other lengths.

 


Metric Hexagon Socket Set Screw with Flat Point (DIN EN ISO 4026)
Dimensions of Metric Hex Socket Set Screw with Flat Point
Thread
Size
Dia.of
Pitch
Flat Point
Diameter
Width across Corners Width across
Flats
Depth of
Driving Feature
Screw
Length
d P dp,max dp,min  emin snom smax smin tmin lnom lmax lmin
--- --- --- --- --- --- --- --- --- --- --- ---
Screw Length: ---

Specifications:

- Thread tolerance class: 6g

- Property Class: Steel - 45H; Stainless Steel - A1-12H, A2-21H, A3-21H, A4-21H, A5-21H

- Finish: For steel screws, as processed.  Electroplating per ISO 4042 and zinc flake coatings per ISO 10683. For stainless steel screws, plain.

- Designation: Hexagon socket set screw ISO 4026 - M5 x 12 - 45H (A hexagon socket set screw with flat point, thread size d=M5, nominal length l=12 mm, steel with property class 45H)

Metric Hexagon Socket Set Screw with Cone Point (DIN EN ISO 4027)
Dimensions of Metric Hex Socket Set Screw with Cone Point
Thread
Size
Dia. of
Pitch
Dia. of Truncated
Cone Point
Width across Corners Width across Flats Depth of
Driving Feature
Screw
Length
d P dt,max emin snom smax smin tmin lnom lmax lmin
--- --- --- --- --- --- --- --- --- --- ---
Screw Length: ---

Specifications:

- Thread tolerance class: 6g

- Property Class: Steel - 45H; Stainless Steel - A1-12H, A2-21H, A3-21H, A4-21H, A5-21H

- Finish: For steel screws, as processed.  Electroplating per ISO 4042 and zinc flake coatings per ISO 10683. For stainless steel screws, plain.

- Designation: Hexagon socket set screw ISO 4027 - M6 x 10 - 45H (A hexagon socket set screw with cone point, thread size d=M6, nominal length l=10 mm, steel with property class 45H)

Metric Hexagon Socket Set Screw with Dog Point (DIN EN ISO 4028)
Dimensions of Metric Hex Socket Set Screw with Long Dog Point
Thread
Size
Dia. of
Pitch
Flat Point
Diameter
Width across Corners Width across
Flats
Depth of
Driving Feature
Length of Point Screw
Length
d P dp,max dp,min emin snom smax smin tmin zmax zmin lnom lmax lmin
--- --- --- --- --- --- --- --- --- --- --- --- --- ---
Screw Length: ---

Specifications:

- Thread tolerance class: 6g

- Property Class: Steel - 45H; Stainless Steel - A1-12H, A2-21H, A3-21H, A4-21H, A5-21H

- Finish: For steel screws, as processed.  Electroplating per ISO 4042 and zinc flake coatings per ISO 10683. For stainless steel screws, plain.

- Designation: Hexagon socket set screw ISO 4028 - M4 x 8 - 45H (A hexagon socket set screw with dog point, thread size d=M4, nominal length l=8 mm, steel with property class 45H)

Metric Hexagon Socket Set Screw with Cup Point (DIN EN ISO 4029)
Dimensions of Metric Hex Socket Set Screw with Cup Point
Thread
Size
Dia.of
Pitch
Cup  Point
Diameter
Width across
Corners
Width across
Flats
Depth of
Driving Feature
Screw
Length
d P dz,max dz,min emin snom smax smin tmin lnom lmax lmin
--- --- --- --- --- --- --- --- --- --- --- ---
Screw Length: ---

Specifications:

- Thread tolerance class: 6g

- Property Class: Steel - 45H; Stainless Steel - A1-12H, A2-21H, A3-21H, A4-21H, A5-21H

- Finish: For steel screws, as processed.  Electroplating per ISO 4042 and zinc flake coatings per ISO 10683. For stainless steel screws, plain.

- Designation: Hexagon socket set screw ISO 4029 - M10 x 16 - 45H (A hexagon socket set screw with cup point, thread size d=M10, nominal length l=16 mm, steel with property class 45H)


Note1: Minimum diameter of the face (df) ≈ Minor Thread Diameter
 



Supplements:



Link Usage
ISO Metric Screw Thread Sizes & Tolerances Calculator Calculates basic major, minor and pitch diameters of the metric external (bolt) thread and internal (nut) thread according to ISO 724:1993 standard. In addition to basic size calculations, tolerance calculations of different tolerance classes can be done according to ISO 965-1:1998 and ISO 965-2:1998 standards.

Reference:
  • DIN EN ISO 4026:2004, Hexagon Socket Set Screws with Flat Point (ISO 4026:2003)
  • DIN EN ISO 4027:2004, Hexagon Socket Set Screws with Cone Point (ISO 4027:2003)
  • DIN EN ISO 4028:2004, Hexagon Socket Set Screws with Dog Point (ISO 4028:2003)
  • DIN EN ISO 4029:2004, Hexagon Socket Set Screws with Cup Point (ISO 4029:2003)