- Machine screws are designed for applications with a pre-tapped hole or mated to a threaded nut.
- SEMS screws come pre-assembled with permanently installed free-spinning lock washer.
- Diameter (Nominal): 1/4"
- Thread Pitch: 20
- Diameter (Dimension): 0.250"
- Length (Nominal): 3/8"
- Thread Length (Nominal): 0.375"
- Outside Diameter (Minimum): 0.466"
- Outside Diameter (Maximum): 0.478"
- Thickness (Minimum): 0.023"
- Thickness (Maximum): 0.028"
- Drive Recess Size: #3
- Drive Recess Width: 0.274"
- Drive Recess Depth (Minimum): 0.118"
- Drive Recess Depth (Maximum): 0.144"
- Head Diameter (Minimum): 0.473"
- Head Diameter (Maximum): 0.492"
- Head Height, Overall (Minimum): 0.162"
- Head Height, Overall (Maximum): 0.175"
- Head Radius: 0.035"
- Category: Machine Screws
- System of Measurement: Inch
- Brand: Aspen Fasteners
- Form and Design: SEMS Screws Pre-Assembled with a Captive Lock Washer
- Head Style: Pan Head
- Head Style Detail: Free-Spinning Internal Tooth Lock Washer
- Drive Style: Cruciform Recess Drive
- Drive Detail: Phillips Type H
- Thread Length: Full Thread
- Thread Direction: Right-Hand Thread
- Material: Steel
- Coating: Zinc Plated
- Coating Color: Clear
- Origin: Origin Undefined
- Standards and Specifications: ASME B18.13a and SAE J82
- System of Measurement:
- Inch
- Category:
- Machine Screws
- Order:
- Machine Thread Fasteners
- Product Class:
- Externally Threaded Fasteners
- Shop by Material:
- Steel
- Shop by System of Measurement:
- Inch
- Material:
- Steel
- Coating:
- Zinc Plated
- Coating Color:
- Clear
- Standards and Specifications:
- ASME B18.13a and SAE J82
- Diameter (Nominal):
- 1/4"
- Diameter (Dimension):
- 0.250"
- Thread Pitch:
- 20
- Length (Nominal):
- 3/8"
- Brand:
- Aspen Fasteners
- Form and Design:
- SEMS Screws Pre-Assembled with a Captive Lock Washer
- Head Style:
- Pan Head
- Head Style Detail:
- Free-Spinning Internal Tooth Lock Washer
- Drive Style:
- Cruciform Recess Drive
- Drive Detail:
- Phillips Type H
- Thread Length:
- Full Thread
- Thread Direction:
- Right-Hand Thread
- Origin:
- Origin Undefined
- cad_3d_viewer_url:
- https://3d.aspenfasteners.com/viewer/?cad_model=obj/SC234-1420X38
- POS:
- SC234-1420X38-001000,SC234-1420X38-002000
- cad_3d_file_url:
- https://3d.aspenfasteners.com/assets/obj/SC234-1420X38.zip
- specifications_document_url:
- https://www.aspenfasteners.com/content/2D_PDF/product44/SC234-1420X38.PDF
- Thickness (Maximum):
- 0.028"
- Outside Diameter (Minimum):
- 0.466"
- Head Height, Overall (Maximum):
- 0.175"
- Head Diameter (Maximum):
- 0.492"
- Outside Diameter (Maximum):
- 0.478"
- Head Height, Overall (Minimum):
- 0.162"
- Thickness (Minimum):
- 0.023"
- Drive Recess Depth (Maximum):
- 0.144"
- Thread Length (Nominal):
- 0.375"
- Drive Recess Width:
- 0.274"
- Drive Recess Depth (Minimum):
- 0.118"
- Drive Recess Size:
- #3
- Head Diameter (Minimum):
- 0.473"
-
Description
- Machine screws are designed for applications with a pre-tapped hole or mated to a threaded nut.
- SEMS screws come pre-assembled with permanently installed free-spinning lock washer.
- Diameter (Nominal): 1/4"
- Thread Pitch: 20
- Diameter (Dimension): 0.250"
- Length (Nominal): 3/8"
- Thread Length (Nominal): 0.375"
- Outside Diameter (Minimum): 0.466"
- Outside Diameter (Maximum): 0.478"
- Thickness (Minimum): 0.023"
- Thickness (Maximum): 0.028"
- Drive Recess Size: #3
- Drive Recess Width: 0.274"
- Drive Recess Depth (Minimum): 0.118"
- Drive Recess Depth (Maximum): 0.144"
- Head Diameter (Minimum): 0.473"
- Head Diameter (Maximum): 0.492"
- Head Height, Overall (Minimum): 0.162"
- Head Height, Overall (Maximum): 0.175"
- Head Radius: 0.035"
- Category: Machine Screws
- System of Measurement: Inch
- Brand: Aspen Fasteners
- Form and Design: SEMS Screws Pre-Assembled with a Captive Lock Washer
- Head Style: Pan Head
- Head Style Detail: Free-Spinning Internal Tooth Lock Washer
- Drive Style: Cruciform Recess Drive
- Drive Detail: Phillips Type H
- Thread Length: Full Thread
- Thread Direction: Right-Hand Thread
- Material: Steel
- Coating: Zinc Plated
- Coating Color: Clear
- Origin: Origin Undefined
- Standards and Specifications: ASME B18.13a and SAE J82
-
3D Product View
