- Holds an object in place via friction between the point of the screw and the fastened material.
- While similar to set screws with a hex recess drive, the square head allows for a wrench to be used.
- Square head set screws are also known as grub screws.
- Class 8.8 steel is a tempered medium carbon steel with a minimum tensile strength of 800/mm-2 (Mpa).
- Set screws are designed to be used under compressive stress only.
- Diameter (Nominal): M20
- Thread Pitch: 2.5
- Diameter (Dimension): 20mm
- Length (Nominal): 80mm
- Thread Length (Nominal): 80mm
- Across Flats (Basic): 22mm
- Across Flats (Minimum): 21.67mm
- Across Flats (Maximum): 22mm
- Head Height, Overall: 20mm
- Head Height, Overall (Minimum): 19.74mm
- Head Height, Overall (Maximum): 20.26mm
- Point Length: 5mm
- Point Length (Minimum): 5mm
- Point Length (Maximum): 5.3mm
- Point Width: 15mm
- Point Width (Minimum): 14.73mm
- Point Width (Maximum): 15mm
- Category: Set Screws
- System of Measurement: Metric
- Brand: Aspen Fasteners
- Head Style: Square Head
- Drive Style: External Square Drive
- Thread Length: Full Thread
- Thread Direction: Right-Hand Thread
- Point: Half-Dog Point
- Material: Steel
- Material Grade: Class 8.8 Steel
- Coating: Uncoated
- Origin: Origin Undefined
- Standards and Specifications: DIN 479
- Shop by Material:
- Steel
- Thread Length:
- Full Thread
- Point Width (Maximum):
- 15mm
- Point Length:
- 5mm
- cad_3d_viewer_url:
- https://3d.aspenfasteners.com/viewer/?cad_model=obj/ME408-2025X80
- Diameter (Dimension):
- 20mm
- Point Width (Minimum):
- 14.73mm
- Point Length (Minimum):
- 5mm
- Head Height, Overall (Minimum):
- 19.74mm
- Across Flats (Basic):
- 22mm
- specifications_document_url:
- https://www.aspenfasteners.com/content/2D_PDF/product67/ME408-2025X80.PDF
- Drive Style:
- External Square Drive
- Coating:
- Uncoated
- Across Flats (Maximum):
- 22mm
- Length (Nominal):
- 80mm
- Point Width:
- 15mm
- Point:
- Half-Dog Point
- System of Measurement:
- Metric
- Standards and Specifications:
- DIN 479
- Product Class:
- Externally Threaded Fasteners
- Point Length (Maximum):
- 5.3mm
- Brand:
- Aspen Fasteners
- Origin:
- Origin Undefined
- Diameter (Nominal):
- M20
- Material:
- Steel
- cad_3d_file_url:
- https://3d.aspenfasteners.com/assets/obj/ME408-2025X80.zip
- Thread Pitch:
- 2.5
- Across Flats (Minimum):
- 21.67mm
- Thread Length (Nominal):
- 80mm
- Shop by System of Measurement:
- Metric
- Thread Direction:
- Right-Hand Thread
- Head Height, Overall (Maximum):
- 20.26mm
- Head Style:
- Square Head
- Category:
- Set Screws
- Head Height, Overall:
- 20mm
- Order:
- Machine Thread Fasteners
- Material Grade:
- Class 8.8 Steel
- POS:
- ME408-2025X80-00003,ME408-2025X80-000010
-
Description
- Holds an object in place via friction between the point of the screw and the fastened material.
- While similar to set screws with a hex recess drive, the square head allows for a wrench to be used.
- Square head set screws are also known as grub screws.
- Class 8.8 steel is a tempered medium carbon steel with a minimum tensile strength of 800/mm-2 (Mpa).
- Set screws are designed to be used under compressive stress only.
- Diameter (Nominal): M20
- Thread Pitch: 2.5
- Diameter (Dimension): 20mm
- Length (Nominal): 80mm
- Thread Length (Nominal): 80mm
- Across Flats (Basic): 22mm
- Across Flats (Minimum): 21.67mm
- Across Flats (Maximum): 22mm
- Head Height, Overall: 20mm
- Head Height, Overall (Minimum): 19.74mm
- Head Height, Overall (Maximum): 20.26mm
- Point Length: 5mm
- Point Length (Minimum): 5mm
- Point Length (Maximum): 5.3mm
- Point Width: 15mm
- Point Width (Minimum): 14.73mm
- Point Width (Maximum): 15mm
- Category: Set Screws
- System of Measurement: Metric
- Brand: Aspen Fasteners
- Head Style: Square Head
- Drive Style: External Square Drive
- Thread Length: Full Thread
- Thread Direction: Right-Hand Thread
- Point: Half-Dog Point
- Material: Steel
- Material Grade: Class 8.8 Steel
- Coating: Uncoated
- Origin: Origin Undefined
- Standards and Specifications: DIN 479
-
3D Product View
