- Also known as a coach screws or heavy wood screws.
- Interchangeably referred to as lag screws or lag bolts.
- Used in heavy lumber applications, or in masonry when used with lag shields.
- Silicon Bronze: non-magnetic, corrosion resistant, and has good thermal and electrical conductivity.
- Offers superior corrosion resistant as compared to stainless steel and is stronger than brass.
- Diameter (Nominal): 5/16"
- Thread Pitch: 9
- Diameter (Dimension): 0.3125"
- Length (Nominal): 4"
- Thread Length (Nominal): 2.5"
- Across Flats (Basic): 1/2"
- Head Height, Overall: 0.219"
- Shoulder Diameter: 5/16"
- Shoulder Diameter (Minimum): 0.298"
- Shoulder Diameter (Maximum): 0.324"
- Shoulder Length: 0.125"
- Product Class: Externally Threaded Fasteners
- Order: Thread Cutting Fasteners
- Category: Lag Screws
- System of Measurement: Inch
- Brand: Aspen Fasteners®
- Head Style: Hex Head
- Drive Style: External Hex Drive
- Thread Direction: Right-Hand Thread
- Material: Silicon Bronze
- Material Grade: Standard Commercial Grade
- Coating: Uncoated
- Standards and Specifications: ASME B18.2.1 and SAE J429
Product UPC Code:
692559436869
- Head Style:
- Hex Head
- Drive Style:
- External Hex Drive
- Thread Direction:
- Right-Hand Thread
- Material:
- Silicon Bronze
- Material Grade:
- Standard Commercial Grade
- Coating:
- Uncoated
- Shop by Material:
- Silicon Bronze
- Standards and Specifications:
- ASME B18.2.1 and SAE J429
- Product Class:
- Externally Threaded Fasteners
- Order:
- Thread Cutting Fasteners
- Category:
- Lag Screws
- System of Measurement:
- Inch
- Diameter (Nominal):
- 5/16"
- Diameter (Dimension):
- 0.3125"
- Thread Pitch:
- 9
- Length (Nominal):
- 4"
- Thread Length (Nominal):
- 2.5"
- Across Flats (Basic):
- 1/2"
- Head Height, Overall:
- 0.219"
- Shoulder Diameter (Minimum):
- 0.298"
- Shoulder Diameter (Maximum):
- 0.324"
- Shoulder Length:
- 0.125"
- Shoulder Diameter:
- 5/16"
- Brand:
- Aspen Fasteners
- Shop by System of Measurement:
- Inch