- Also known as self-tapping screws, these are mostly used in thin gauge sheet metal applications.
- Type "B" sheet metal tapping screws feature a blunt point and fine threading.
- A 6-lobe recess is also known as a hexalobular internal drive.
DIMENSIONAL ATTRIBUTES- Diameter (Nominal): #4
- Length (Nominal): 5/16"
PRODUCT ATTRIBUTES- Category: Self-Tapping Sheet Metal Screws
- System of Measurement: Inch
- Brand: Aspen Fasteners
- Form and Design: Type "B"
- Head Style: Pan Head
- Drive Style: 6Lobe Drive
- Drive Detail: Torx® Generic Alternative
- Thread Length: Full Thread
- Thread Direction: Right-Hand Thread
- Material: Steel
- Material Processes: Case Hardened
- Coating: Zinc Plated
- Coating Color: Clear
- Hardness Rating: Rockwell C45 min. / Core=C28-C38
- Origin: Origin Undefined
- Standards and Specifications: ASME B18.6.3 and SAE J933
Product UPC Code:
692559798875
- Form and Design:
- Type "B"
- Material:
- Steel
- Diameter (Nominal):
- #4
- Product Class:
- Externally Threaded Fasteners
- System of Measurement:
- Inch
- Drive Detail:
- Torx(r) Generic Alternative
- Shop by System of Measurement:
- Inch
- Order:
- Thread Cutting Fasteners
- Category:
- Self-Tapping Sheet Metal Screws
- Shop by Material:
- Steel
- Length (Nominal):
- 5/16"
- Hardness Rating:
- Rockwell C45 min. / Core=C28-C38
- Drive Style:
- 6Lobe Drive
- Head Style:
- Pan Head
- Brand:
- Aspen Fasteners
- Material Processes:
- Case Hardened
- Thread Length:
- Full Thread
- Coating Color:
- Clear
- Thread Direction:
- Right-Hand Thread
- Coating:
- Zinc Plated
- Standards and Specifications:
- ASME B18.6.3 and SAE J933
- cad_3d_viewer_url:
- https://3d.aspenfasteners.com/viewer/?cad_model=obj/SC398-4X516
- Origin:
- Origin Undefined
- POS:
- SC398-4X516-010000
