- Machine screws are designed for applications with a pre-tapped hole or mated to a threaded nut.
- Serrated teeth under the head bite into the mating surface as tightened to prevent loosening.
- Plated with a green colored zinc coating to allow for easy identification as a grounding screw.
DIMENSIONAL ATTRIBUTES- Diameter (Nominal): 1/4"
- Thread Pitch: 20
- Diameter (Dimension): 0.250"
- Length (Nominal): 3/4"
- Thread Length (Nominal): 0.750"
- Across Flats (Minimum): 0.367"
- Across Flats (Maximum): 0.375"
- Head Height, Overall (Minimum): 0.172"
- Head Height, Overall (Maximum): 0.190"
- Slot Depth (Minimum): 0.083"
- Slot Depth (Maximum): 0.101"
- Slot Width (Minimum): 0.064"
- Slot Width (Maximum): 0.075"
PRODUCT ATTRIBUTES- Category: Machine Screws
- System of Measurement: Inch
- Brand: Aspen Fasteners
- Head Style: Hex Indented Head
- Head Style Detail: Locking Serrations
- Drive Style: Hex Slotted Drive
- Thread Length: Full Thread
- Thread Direction: Right-Hand Thread
- Material: Steel
- Coating: Zinc Plated
- Coating Color: Green
- Origin: Origin Undefined
- Standards and Specifications: ASME B18.6.3 and SAE J82
Product UPC Code:
698435332607
- Shop by Material:
- Steel
- Length (Nominal):
- 3/4"
- Category:
- Machine Screws
- Order:
- Machine Thread Fasteners
- Head Style Detail:
- Locking Serrations
- Head Style:
- Hex Indented Head
- Brand:
- Aspen Fasteners
- System of Measurement:
- Inch
- Thread Length:
- Full Thread
- Material:
- Steel
- Coating:
- Zinc Plated
- Thread Pitch:
- 20
- Drive Style:
- Hex Slotted Drive
- Diameter (Nominal):
- 1/4"
- Standards and Specifications:
- ASME B18.6.3 and SAE J82
- Coating Color:
- Green
- Product Class:
- Externally Threaded Fasteners
- Thread Direction:
- Right-Hand Thread
- Shop by System of Measurement:
- Inch
- Origin:
- Origin Undefined
- cad_3d_viewer_url:
- https://3d.aspenfasteners.com/viewer/?cad_model=obj/SC120-1420X34
- POS:
- SC120-1420X34-002500
- specifications_document_url:
- https://www.aspenfasteners.com/content/2D_PDF/product47/SC120-1420X34.PDF
- cad_3d_file_url:
- https://3d.aspenfasteners.com/assets/obj/SC120-1420X34.zip
- Thread Length (Nominal):
- 0.750"
- Slot Width (Minimum):
- 0.064"
- Across Flats (Minimum):
- 0.367"
- Slot Depth (Maximum):
- 0.101"
- Slot Width (Maximum):
- 0.075"
- Head Height, Overall (Maximum):
- 0.190"
- Across Flats (Maximum):
- 0.375"
- Slot Depth (Minimum):
- 0.083"
- Diameter (Dimension):
- 0.250"
- Head Height, Overall (Minimum):
- 0.172"
