#4-40 Stainless Steel Trim Head Hex Cap Screws
Diameter - Thread Pitch: #4-40
- #4-40
- Hex head is designed to be driven by a socket or wrench
- A trim head tap bolt has a smaller head than a standard hex head bolt
- 18-8 Stainless steel trim head hex cap screws are rust resistant
- Also referred to as tap bolts or hex bolts
- ASME B18.2.1 Compliant
A Hex Bolt is measured as: Diameter x Thread Pitch x Length from Under Head
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Product Specifications
Across Flats (Width)
3/16" (Max 0.1875 - Min 0.1825)
Class
2A
Corrosion Resistant
Yes
Drive Style
External Hex
Grade
18-8
Hardness
100 Rockwell B
Head Diameter
Max 0.060 - Min 0.058
Head Style
Hex
Material
Stainless Steel
Product Type
Trim Head Hex Cap Screws
System of Measurement (Unit)
Inch
Tensile PSI
100,000 - 125,000
Thread Direction
Right Hand
Thread Pitch (Count)
40 Per Inch
Thread Standard
UNC
Thread Type
Coarse
Tolerance (IFI)
Actual measurements may vary slightly +/- depending on production run within IFI Tolerances
Wrench Size
3/16"
Yield PSI
55,000 - 75,000
