About Tapping Screws
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About Rounded Head Screws
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Steel Pan Head Torx Screws


These screws have a Torx or Torx-Plus drive for more points of contact than other drives, allowing you to tighten the screw without damaging the recess. For Torx tools, see Torx and Torx-Plus bits, keys, and drivers. Torx-Plus screws can be used with both Torx-Plus and Torx tools. Length is measured from under the head.
Black corrosion-resistant-coated steel screws resist chemicals and withstand 96 hours of salt spray.
For technical drawings and 3-D models, click on a part number.
Drive | |||||||||
---|---|---|---|---|---|---|---|---|---|
Lg. | Threading | Head Dia. | Head Ht. | Style | Size | Tensile Strength, psi | Pkg. Qty. | Pkg. | |
Black Corrosion-Resistant-Coated Steel | |||||||||
2-56 | |||||||||
3/16" | Fully Threaded | 0.167" | 0.062" | Torx Plus | IP7, T7 | 40,000 | 50 | 000000000 | 000000 |
1/4" | Fully Threaded | 0.167" | 0.062" | Torx Plus | IP7, T7 | 40,000 | 50 | 000000000 | 00000 |
5/16" | Fully Threaded | 0.167" | 0.062" | Torx Plus | IP7, T7 | 40,000 | 50 | 000000000 | 00000 |
3/8" | Fully Threaded | 0.167" | 0.062" | Torx Plus | IP7, T7 | 40,000 | 50 | 000000000 | 00000 |
Stainless Steel Pan Head Torx Screws


Made from 18-8 stainless steel, these screws have good chemical resistance and may be mildly magnetic. All are passivated for added protection against oxidation and corrosion. Torx and Torx-Plus drives have more points of contact than other drives, allowing you to tighten the screw without damaging the recess. For Torx tools, see Torx and Torx-Plus bits, keys, and drivers. Torx-Plus screws can be used with both Torx-Plus and Torx tools. Length is measured from under the head.
For technical drawings and 3-D models, click on a part number.
Drive | ||||||||||
---|---|---|---|---|---|---|---|---|---|---|
Lg. | Threading | Head Dia. | Head Ht. | Style | Size | Tensile Strength, psi | Specifications Met | Pkg. Qty. | Pkg. | |
18-8 Stainless Steel | ||||||||||
2-56 | ||||||||||
1/8" | Fully Threaded | 0.167" | 0.062" | Torx Plus | IP7, T7 | Not Rated | ASME B18.6.3 | 100 | 000000000 | 000000 |
3/16" | Fully Threaded | 0.167" | 0.063" | Torx Plus | IP7, T7 | 70,000 | __ | 50 | 000000000 | 0000 |
1/4" | Fully Threaded | 0.167" | 0.063" | Torx Plus | IP7, T7 | 70,000 | __ | 50 | 000000000 | 0000 |
5/16" | Fully Threaded | 0.167" | 0.063" | Torx Plus | IP7, T7 | 70,000 | __ | 25 | 000000000 | 00000 |
3/8" | Fully Threaded | 0.167" | 0.063" | Torx Plus | IP7, T7 | 70,000 | __ | 25 | 000000000 | 00000 |
1/2" | Fully Threaded | 0.167" | 0.062" | Torx Plus | IP7, T7 | Not Rated | ASME B18.6.3 | 100 | 000000000 | 00000 |
Thread-Forming Screws for Soft Metal


The triangular shank presses tightly as it forms threads, so screws resist loosening in soft metals such as brass, aluminum, and copper. These screws may have a slightly different diameter than standard screws. Also known as Taptite® screws, they have a Torx-Plus drive that allows you to apply extra force with less slippage or damage to the recess. Made from steel, they're coated or plated steel to resist corrosion in wet environments. Length is measured from under the head.
For technical drawings and 3-D models, click on a part number.
Head | ||||||||
---|---|---|---|---|---|---|---|---|
Lg. | Dia. | Ht. | Drive Size | Drill Bit Size | For Use In | Pkg. Qty. | Pkg. | |
Black Corrosion-Resistant-Coated Steel | ||||||||
2-56 | ||||||||
1/8" | 0.167" | 0.062" | IP7, T7 | No. 48 | Aluminum, Brass, Copper | 50 | 000000000 | 000000 |
1/4" | 0.167" | 0.062" | IP7, T7 | No. 48 | Aluminum, Brass, Copper | 50 | 000000000 | 00000 |
3/8" | 0.167" | 0.062" | IP7, T7 | No. 48 | Aluminum, Brass, Copper | 50 | 000000000 | 00000 |
Zinc-Plated Steel | ||||||||
2-56 | ||||||||
1/8" | 0.167" | 0.062" | IP7, T7 | No. 48 | Aluminum, Brass, Copper | 50 | 000000000 | 00000 |
5/8" | 0.167" | 0.062" | IP7, T7 | No. 48 | Aluminum, Brass, Copper | 50 | 000000000 | 00000 |
3/4" | 0.167" | 0.062" | IP7, T7 | No. 48 | Aluminum, Brass, Copper | 50 | 000000000 | 00000 |
Stainless Steel Torx Rounded Head Thread-Forming Screws for Plastic


These 18-8 stainless steel screws have good chemical resistance and may be mildly magnetic. A Torx or Torx Plus drive provides more points of contact than a Phillips drive, allowing you to apply extra force with less slippage or damage to the recess. Comparable to Plastite screws, these screws have a triangular shank that presses tightly against formable plastic such as polypropylene to resist loosening. They may have a slightly different diameter than standard screws. Length is measured from under the head.
For technical drawings and 3-D models, click on a part number.
Head | Drive | ||||||||
---|---|---|---|---|---|---|---|---|---|
Lg. | Dia. | Ht. | Size | Style | Drill Bit Size | Approximate Threads per Inch | Pkg. Qty. | Pkg. | |
No. 2 | |||||||||
3/16" | 0.167" | 0.062" | IP7, T7 | Torx Plus | 5/64" | 28 | 50 | 000000000 | 000000 |
1/4" | 0.167" | 0.062" | IP7, T7 | Torx Plus | 5/64" | 28 | 50 | 000000000 | 00000 |
3/8" | 0.167" | 0.062" | IP7, T7 | Torx Plus | 5/64" | 28 | 50 | 000000000 | 00000 |
1/2" | 0.167" | 0.062" | IP7, T7 | Torx Plus | 5/64" | 28 | 50 | 000000000 | 00000 |
3/4" | 0.167" | 0.062" | IP7, T7 | Torx Plus | 5/64" | 28 | 50 | 000000000 | 00000 |
Steel Torx Rounded Head Thread-Forming Screws for Plastic


These steel screws have a black-oxide or zinc-plated finish to resist corrosion. A Torx or Torx Plus drive provides more points of contact than a Phillips drive, allowing you to apply extra force with less slippage or damage to the recess. Comparable to Plastite screws, these screws have a triangular shank that presses tightly against formable plastic such as polypropylene to resist loosening. They may have a slightly different diameter than standard screws. Length is measured from under the head.
Zinc-plated steel screws won’t rust in wet environments.
For technical drawings and 3-D models, click on a part number.
Head | Drive | |||||||||
---|---|---|---|---|---|---|---|---|---|---|
Lg. | Dia. | Ht. | Size | Style | Drill Bit Size | Approximate Threads per Inch | Threading | Pkg. Qty. | Pkg. | |
No. 2 | ||||||||||
1/4" | 0.167" | 0.062" | IP7, T7 | Torx Plus | 5/64" | 28 | Fully Threaded | 100 | 000000000 | 000000 |
3/8" | 0.167" | 0.062" | IP7, T7 | Torx Plus | 5/64" | 28 | Fully Threaded | 100 | 000000000 | 00000 |
1/2" | 0.167" | 0.062" | IP7, T7 | Torx Plus | 5/64" | 28 | Fully Threaded | 100 | 000000000 | 00000 |