System of Measurement System of Measurement |
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Thread Size Thread Size | Show |
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Thread Size Thread Size | Hide |
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Material Material |
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Finish Finish |
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Drive Style Drive Style |
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![]() | Hex |
Threading Threading |
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![]() | Fully Threaded |
![]() | Partially Threaded |
Thread Spacing Thread Spacing |
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Thread Direction Thread Direction |
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![]() | Right Hand |
Socket Head Profile Socket Head Profile |
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![]() | Standard |
Thread Type Thread Type |
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Thread Fit Thread Fit |
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Hardness Hardness |
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Tensile Strength Tensile Strength |
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Flat Head Profile Flat Head Profile |
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![]() | Standard |
Rounded Head Style Rounded Head Style |
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![]() | Button |
Rounded Head Profile Rounded Head Profile |
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With a tensile strength of 170,000 psi, these alloy steel screws are stronger than Grade 8 steel screws. Length is measured from under the head.
Black-oxide steel screws are mildly corrosion resistant in dry environments. Fine and extra-fine threads are closely spaced to prevent loosening from vibration; the finer the thread, the better the resistance. They are not compatible with coarse threads.
For technical drawings and 3-D models, click on a part number.
Head | |||||||||||
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Lg. | Threading | Min. Thread Lg. | Thread Spacing | Dia. | Ht. | Drive Size | Tensile Strength, psi | Specifications Met | Pkg. Qty. | Pkg. | |
5-44 | |||||||||||
Black-Oxide Alloy Steel | |||||||||||
1/4" | Fully Threaded | __ | Fine | 0.205" | 1/8" | 3/32" | 170,000 | ASTM A574 | 10 | 000000000 | 00000 |
3/8" | Fully Threaded | __ | Fine | 0.205" | 1/8" | 3/32" | 170,000 | ASTM A574 | 10 | 000000000 | 00000 |
1/2" | Fully Threaded | __ | Fine | 0.205" | 1/8" | 3/32" | 170,000 | ASTM A574 | 10 | 000000000 | 00000 |
3/4" | Fully Threaded | __ | Fine | 0.205" | 1/8" | 3/32" | 170,000 | ASTM A574 | 10 | 000000000 | 00000 |
1" | Partially Threaded | 3/4" | Fine | 0.205" | 1/8" | 3/32" | 170,000 | ASTM A574 | 5 | 000000000 | 0000 |
Made from 18-8 stainless steel, these screws have good chemical resistance and may be mildly magnetic. Length is measured from under the head. Fine threads are closely spaced to prevent loosening from vibration. They are not compatible with coarse threads.
Screws that meet ISO 21269 and ISO 4762 (formerly DIN 912) comply with specifications for dimensional standards.
For technical drawings and 3-D models, click on a part number.
Head | |||||||||||
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Lg. | Threading | Min. Thread Lg. | Thread Spacing | Dia. | Ht. | Drive Size | Tensile Strength, psi | Specifications Met | Pkg. Qty. | Pkg. | |
5-44 | |||||||||||
18-8 Stainless Steel | |||||||||||
1/4" | Fully Threaded | __ | Fine | 0.205" | 1/8" | 3/32" | 70,000 | __ | 50 | 000000000 | 00000 |
3/8" | Fully Threaded | __ | Fine | 0.205" | 1/8" | 3/32" | 70,000 | DIN 912 | 100 | 000000000 | 0000 |
1/2" | Fully Threaded | __ | Fine | 0.205" | 1/8" | 3/32" | 70,000 | __ | 50 | 000000000 | 0000 |
3/4" | Fully Threaded | __ | Fine | 0.205" | 1/8" | 3/32" | 70,000 | __ | 50 | 000000000 | 0000 |
1" | Partially Threaded | 3/4" | Fine | 0.205" | 1/8" | 3/32" | 70,000 | DIN 912 | 50 | 000000000 | 0000 |
These screws are corrosion resistant in wet environments, nonmagnetic, and electrically conductive. Length is measured from under the head. Fine threads are closely spaced to prevent loosening from vibration. They are not compatible with coarse threads.
For technical drawings and 3-D models, click on a part number.
18-8 stainless steel button head screws have good chemical resistance and may be mildly magnetic. Length is measured from under the head.
For technical drawings and 3-D models, click on a part number.
Made from alloy steel, these screws are nearly twice as strong as stainless steel button head screws. Length is measured from under the head.
Black-oxide alloy steel screws are mildly corrosion resistant in dry environments.
For technical drawings and 3-D models, click on a part number.
Lg. | Threading | Head Dia. | Head Ht. | Drive Size | Tensile Strength, psi | Specifications Met | Pkg. Qty. | Pkg. | |
Black-Oxide Alloy Steel | |||||||||
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5-44 | |||||||||
1/4" | Fully Threaded | 0.238" | 0.066" | 5/64" | 120,000 | ASME B18.3, ASTM F835 | 10 | 000000000 | 00000 |
3/8" | Fully Threaded | 0.238" | 0.066" | 5/64" | 120,000 | ASME B18.3, ASTM F835 | 10 | 000000000 | 00000 |
1/2" | Fully Threaded | 0.238" | 0.066" | 5/64" | 120,000 | ASME B18.3, ASTM F835 | 10 | 000000000 | 00000 |
Brass button head screws are corrosion resistant in wet environments, nonmagnetic, and electrically conductive. Length is measured from under the head.
For technical drawings and 3-D models, click on a part number.
Made from alloy steel, these screws are nearly twice as strong as stainless steel flat head screws. They're angled under the head to sit flush within countersunk holes. Length is measured from the top of the head.
Black-oxide alloy steel screws have mild corrosion resistance in dry environments.
For technical drawings and 3-D models, click on a part number.
Lg. | Threading | Flat Head Profile | Head Dia. | Head Ht. | Drive Size | Tensile Strength, psi | Specifications Met | Pkg. Qty. | Pkg. | |
Black-Oxide Alloy Steel | ||||||||||
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5-44 | ||||||||||
3/8" | Fully Threaded | Standard | 0.281" | 0.09" | 5/64" | 120,000 | ASTM F835 | 10 | 000000000 | 00000 |
1/2" | Fully Threaded | Standard | 0.281" | 0.09" | 5/64" | 120,000 | ASTM F835 | 10 | 000000000 | 00000 |
3/4" | Fully Threaded | Standard | 0.281" | 0.09" | 5/64" | 120,000 | ASTM F835 | 10 | 000000000 | 00000 |
These 18-8 stainless steel screws have good chemical resistance and may be mildly magnetic. They’re angled under the head to sit flush within countersunk holes. Length is measured from the top of the head.
Passivated stainless steel screws have added protection against oxidation and corrosion.
For technical drawings and 3-D models, click on a part number.
Lg. | Threading | Flat Head Profile | Head Dia. | Head Ht. | Drive Size | Finish | Tensile Strength, psi | Specifications Met | Pkg. Qty. | Pkg. | |
18-8 Stainless Steel—82° Countersink Angle | |||||||||||
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5-44 | |||||||||||
1/4" | Fully Threaded | Standard | 0.281" | 0.09" | 5/64" | Passivated | 70,000 | ASME B18.3 | 10 | 000000000 | 00000 |
3/8" | Fully Threaded | Standard | 0.281" | 0.09" | 5/64" | Passivated | 70,000 | ASME B18.3 | 10 | 000000000 | 0000 |
1/2" | Fully Threaded | Standard | 0.281" | 0.09" | 5/64" | Passivated | 70,000 | ASME B18.3 | 10 | 000000000 | 0000 |
Made from alloy steel, these set screws have a thin edge that digs into hard surfaces for a secure hold. Length listed is the overall length.
Black-oxide alloy steel set screws resist corrosion in dry environments.
For technical drawings and 3-D models, click on a part number.
Lg. | Drive Size | Hardness | Specifications Met | Pkg. Qty. | Pkg. | |
Black-Oxide Alloy Steel | ||||||
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5-44 | ||||||
1/8" | 1/16" | Rockwell C45 | ASME B18.3, ASTM F912 | 100 | 000000000 | 00000 |
3/16" | 1/16" | Rockwell C45 | ASME B18.3, ASTM F912 | 100 | 000000000 | 0000 |
1/4" | 1/16" | Rockwell C45 | ASME B18.3, ASTM F912 | 100 | 000000000 | 00000 |
5/16" | 1/16" | Rockwell C45 | ASME B18.3, ASTM F912 | 25 | 000000000 | 00000 |
3/8" | 1/16" | Rockwell C45 | ASME B18.3, ASTM F912 | 25 | 000000000 | 00000 |
Also known as jam set screws, these lock other screws in place, hold pins, and adjust spring tension. The hollow design allows you to inspect locked parts. A black-oxide finish provides corrosion resistance in dry environments. Length listed is the overall length.
For technical drawings and 3-D models, click on a part number.
Lg. | Drive Size | Hardness | Pkg. Qty. | Pkg. | |
Black-Oxide Alloy Steel | |||||
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5-44 | |||||
3/32" | 1/16" | Rockwell C45 | 10 | 000000000 | 00000 |
Also known as transfer screws, these punches can be used in any threaded hole to transfer the hole location. Use the handle to screw a punch into a hole. Place your workpiece against the punch and strike it with a hammer to mark the hole location.
Thread Size | Includes | Punch Material | Grip Texture | Each | |
Inch | |||||
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5-44 | Handle, Six Punches | Steel | Smooth | 0000000 | 000000 |