8 x 2 in. Flat Head Phillips Tapping Screws - Steel Zinc - 100qty
Features
- Steel Zinc Material
- Flat head with Phillips Drive
- 8 Diameter, 2" Length
Additional Notes
- Other sizes and quantities available by request | Dimensions for #9 diameter are independent of ASME B18.6.4
Manufacturer Resources
Product Specs
- Minimum Purchase:
- 100 units
- Arra Compliant:
- N
- Buy American Compliant:
- No
- Dimensional Standard:
- ASME B18.6.4-1998
- Division:
- Electrical H1
- Drive Type:
- Phillips
- Driver Size:
- #2
- Fastener Head Height:
- 0.084 - 0.1 in.
- Fastener Head Type:
- Flat
- Fastener Head Width:
- 0.285 - 0.312 in.
- Fastener Length:
- 2
- Field Application:
- Electrical, Plumbing, Heating and Air Conditioning Industries
- Gaging Diameter:
- 0.267
- Hardness:
- Rockwell C28-38
- Language Code:
- EN
- Material Standard:
- AISI 1016 - 1024
- Neurspe:
- https://ideadigitalasset.com/DAMRoot/Original/10035/11237_ID-SPE-v1-ID-SPE-v1-Flat_Phillips_Self_Tap.pdf
- Order Minimum Imperial:
- 100
- Order Minimum Uom Imperial:
- JR
- Pack Type:
- Jar
- Phillips Recess Depth:
- 0.11
- Phillips Recess Diameter:
- 0.182
- Phillips Recess Width:
- 0.03
- Product Group:
- Fasteners
- Product Height:
- 2.7 in
- Product Length:
- 3 in
- Product Weight:
- 0.832 lbs
- Product Width:
- 3 in
- Protrusion Gaging Diameter:
- 0.023 - 0.039 Above
- Screw Point Type:
- Gimlet Point
- Sub Division:
- Electrical-E H2
- Thread Per Inch:
- 15
- Thread Standard:
- ASME B18.6.4
- Torsional Strength:
- 39 lb-in minimum
- Department:
- Electrical
- Product Subgroup:
- Screws
- Product Type:
- Type A Tapping Screw
- Type2:
- Type A Tapping Screw
- Series:
- JTSF
- Product Finish:
- Zinc
- Product Details:
- Type A Tapping Screw
- Product Material:
- Steel Zinc
Metallics JTSF24 – Frequently Asked Questions
1) Is the Metallics JTSF24 a sheet metal screw or a wood screw?
The JTSF24 is a Type A tapping screw, which is a sheet metal screw with a gimlet point and a coarse 15 threads per inch. The gimlet point lets it start in thin sheet metal, and the same point and coarse pitch work in wood and other soft materials. It is not a machine screw and it needs no nut.
2) Are Metallics JTSF24 screws Buy American or ARRA compliant for a government project?
No. The JTSF24 flat head tapping screw is not Buy American compliant and not ARRA compliant, with country of origin listed as multiple. If your contract carries a domestic sourcing requirement, this part will not satisfy it.
3) What size Phillips bit drives the Metallics JTSF24 screws?
A #2 Phillips bit. The recess is 0.182 in. in diameter and 0.11 in. deep, so a #1 bit will cam out and a #3 will not seat. Keep a fresh #2 in the driver if you are running a jar of 100.
4) How many screws come in a jar of Metallics JTSF24?
They ship in a jar with an order minimum of 100 pieces, and the jar weighs 0.832 lbs. That is the standard purchase quantity for this #8 x 2 in. flat head tapping screw.
5) Can these tapping screws be driven with an impact driver without snapping the heads off?
The JTSF24 carries a minimum torsional strength of 39 lb-in and a case hardness of Rockwell C28-38. That is the ASME-referenced minimum for a #8 Type A screw, so it will take normal driver torque, but an impact driver set to full output will exceed 39 lb-in once the head bottoms out. Use a clutch or torque setting and stop when the head seats.
6) Are Metallics JTSF24 zinc screws suitable for outdoor or wet locations?
These are AISI 1016-1024 carbon steel with a zinc finish. Zinc plating is a dry-location and indoor corrosion coating, so it is fine for interior electrical, plumbing, and HVAC work but will eventually rust in standing water or direct weather exposure. For exterior or damp locations choose stainless or a hot-dip galvanized fastener.
7) Do these screws meet the ASME standard for tapping screws on a spec'd job?
Yes. The JTSF24 is built to ASME B18.6.4-1998 for dimensions and ASME B18.6.4 for threads, with a gaging diameter of 0.267 in. and protrusion 0.023 to 0.039 in. above the gage. One caveat from the manufacturer: dimensions for #9 diameter screws in this family fall outside ASME B18.6.4. The #8 size here is covered.
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Does the Metallics JTSF24 come with a warranty?
Absolutely. The Metallics JTSF24 is backed by a manufacturer’s warranty.
For full warranty terms, check the product documentation or Contact Us.
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