Product Description
- 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.
- 18-8 stainless steel is functionally interchangeable with type 304 stainless steel.
- Stainless steel significantly improves resistance to tarnishing or corrosion.
- Diameter (Nominal): 5/16"
- Thread Pitch: 9
- Diameter (Dimension): 0.3125"
- Length (Nominal): 5-1/2"
- Thread Length (Nominal): 3.25"
- 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"
- 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: Stainless Steel
- Material Grade: 18-8 Stainless Steel
- Coating: Uncoated
- Origin: Origin Undefined
- Standards and Specifications: ASME B18.2.1 and SAE J429
Product Videos
Custom Field
Across Flats (Basic) 1/2"
Brand Aspen Fasteners
Category Lag Screws
Coating Uncoated
Diameter (Dimension) 0.3125"
Diameter (Nominal) 5/16"
Drive Style External Hex Drive
Head Height, Overall 0.219"
Head Style Hex Head
Length (Nominal) 5-1/2"
Material Stainless Steel
Material Grade 18-8 Stainless Steel
Order Thread Cutting Fasteners
Origin Origin Undefined
POS ST068-5169X512-000500
Product Class Externally Threaded Fasteners
Shoulder Diameter 5/16"
Shoulder Diameter (Maximum) 0.324"
Shoulder Diameter (Minimum) 0.298"
Shoulder Length 0.125"
Standards and Specifications ASME B18.2.1 and SAE J429
System of Measurement Inch
Thread Direction Right-Hand Thread
Thread Length (Nominal) 3.25"
Thread Pitch 9
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