Product Description
- Headless set screws are also known as blind screws or grub screws.
- Holds an object in place via friction between the point of the screw and the fastened material.
- An internal hex socket drive is also known as an Allen drive.
- Alloy steel fasteners are significantly stronger than standard low carbon steel fasteners.
- Set screws are designed to be used under compressive stress only.
- Diameter (Nominal): 1/4"
- Thread Pitch: 20
- Diameter (Dimension): 0.25"
- Length (Nominal): 3/4"
- Product Class: Externally Threaded Fasteners
- Order: Machine Thread Fasteners
- Category: Set Screws
- System of Measurement: US Units
- Brand: Aspen Fasteners®
- Head Style: Headless
- Drive Style: Hex Socket Drive
- Pitch: UNC Coarse Thread
- Thread Length: Full Thread
- Thread Direction: Right-Hand Thread
- Point: Cup Point
- Material: Steel
- Material Grade: Alloy Steel
- Material Processes: Heat Treated
- Coating: Uncoated
- Hardness Rating: Rockwell C45-C53
- Standards and Specifications: ASME B18.3
- NB: Product images are copyrighted artistic representations which may not reflect the product's exact appearance, proportions and/or relative dimensions.
Product Videos
Custom Field
Coating Process Uncoated
Drive Style Hex Socket Drive
Head Style Headless
System of Measurement US Units
Standards and Specifications ASME B18.3
Material Alloy Steel
Category Set Screws
Length 3/4"
Diameter/Pitch 1/4"-20