Grade 8 Hex Head Cap Screws
Steeped in Kimball Midwest's commitment to American-made quality, our Grade 8 Hex Head cap screws are known for their superior strength and durability. They're ideal for heavy-duty applications where superior tensile strength is necessary.
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KM-USA High Head Grade 8 (USS) Hex Head Cap Screws - Zinc Plated
With a taller head for improved wrench grip, these KM‑USA High Head Grade 8 screws offer enhanced alignment in tough MRO applications. Special alloy steel delivers 150,000 PSI tensile strength, while zinc yellow plating resists corrosion. Perfect for machinery needing extra torque, they’re made in the USA for assured quality. Combine with Grade 8 washers and nuts for maximum reliability.
Diameter: 1/4"
| Length | Thread Size | Thread Type | Series | Package Qty | Item # |
Price
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|---|---|---|---|---|---|---|
|
1/2"
|
1/4"-20
|
Coarse
|
KM-USA High Head
|
25
|
380404J
|
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|
|
1/2"
|
1/4"-20
|
Coarse
|
KM-USA High Head
|
100
|
380404
|
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|
|
3/4"
|
1/4"-20
|
Coarse
|
KM-USA High Head
|
25
|
380406J
|
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|
|
3/4"
|
1/4"-20
|
Coarse
|
KM-USA High Head
|
100
|
380406
|
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|
|
1"
|
1/4"-20
|
Coarse
|
KM-USA High Head
|
25
|
380408J
|
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|
|
1"
|
1/4"-20
|
Coarse
|
KM-USA High Head
|
100
|
380408
|
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|
|
1-1/4"
|
1/4"-20
|
Coarse
|
KM-USA High Head
|
25
|
380410J
|
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|
|
1-1/4"
|
1/4"-20
|
Coarse
|
KM-USA High Head
|
100
|
380410
|
Log in to view price
|
|
1-1/2"
|
1/4"-20
|
Coarse
|
KM-USA High Head
|
25
|
380412J
|
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|
|
1-1/2"
|
1/4"-20
|
Coarse
|
KM-USA High Head
|
100
|
380412
|
Log in to view price
|
|
1-3/4"
|
1/4"-20
|
Coarse
|
KM-USA High Head
|
25
|
380414J
|
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|
|
1-3/4"
|
1/4"-20
|
Coarse
|
KM-USA High Head
|
100
|
380414
|
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|
KM-USA High Head Grade 8 (SAE) Hex Head Cap Screws - Zinc Plated
Boasting a 20% taller head for improved tool contact, these KM‑USA High Head Grade 8 Cap Screws (SAE) resist fatigue with a 150,000 PSI rating. The chrome alloy steel design supports easy alignment, while a zinc yellow finish guards against corrosion. Ideal for engine blocks, pumps, or structural assemblies, they’re 100% made in the USA. Use matching washers and nuts for reliable, long‑lasting performance.
Diameter: 1/4"
| Length | Thread Size | Thread Type | Series | Package Qty | Item # |
Price
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|---|---|---|---|---|---|---|
|
1/2"
|
1/4"-28
|
Fine
|
KM-USA High Head
|
25
|
390404J
|
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|
|
1/2"
|
1/4"-28
|
Fine
|
KM-USA High Head
|
100
|
390404
|
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|
|
3/4"
|
1/4"-28
|
Fine
|
KM-USA High Head
|
25
|
390406J
|
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|
|
3/4"
|
1/4"-28
|
Fine
|
KM-USA High Head
|
100
|
390406
|
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|
|
1"
|
1/4"-28
|
Fine
|
KM-USA High Head
|
25
|
390408J
|
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|
|
1"
|
1/4"-28
|
Fine
|
KM-USA High Head
|
100
|
390408
|
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|
|
1-1/4"
|
1/4"-28
|
Fine
|
KM-USA High Head
|
25
|
390410J
|
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|
|
1-1/4"
|
1/4"-28
|
Fine
|
KM-USA High Head
|
100
|
390410
|
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|
|
1-1/2"
|
1/4"-28
|
Fine
|
KM-USA High Head
|
25
|
390412J
|
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|
|
1-1/2"
|
1/4"-28
|
Fine
|
KM-USA High Head
|
100
|
390412
|
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|
|
1-3/4"
|
1/4"-28
|
Fine
|
KM-USA High Head
|
25
|
390414J
|
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|
|
1-3/4"
|
1/4"-28
|
Fine
|
KM-USA High Head
|
100
|
390414
|
Log in to view price
|
Top
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Pkg Qty: 100
Steeped in Kimball Midwest's commitment to American-made quality, our Grade 8 Hex Head cap screws are known for their superior strength and durability. They're ideal for heavy-duty applications where superior tensile strength is necessary.
Superior Strength and Durability
Our Grade 8 cap screws are crafted from high-strength carbon alloy steel and are designed for demanding applications and to deliver an extra margin of job safety. Their impressive strength makes them suitable for various industrial, machinery and automotive applications.
Cap Screws For Versatile Applications
Our hex head cap screws come in various sizes and lengths, making them versatile for different uses. Whether you need fasteners for machinery, construction or maintenance tasks, our Grade 8 screws offer the reliability you need to get the job done right. Choose from a variety of screw series including Armor Coat™, KM-USA High Head, Standard and Tap Bolt.
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