8 x 1-1/4 in. 1/4 Indented Hex Head Self-Drilling & Tapping Screws with Washer - #2 Drill Point - 410 Stainless Steel - 100qty
Features
- 1/4 Indented Hex Head with Hex Drive
- Minimum torques are the same for stainless and steel self-drill screws. Drill time is 2.5 seconds for a 1 mm thick plate.
- 8 Diameter, 1-1/4" Length
- 410 Stainless Steel Material
- #2 Drill Point
Additional Notes
- Other sizes and quantities available by request. | SAE J78 does not include Specifications for #7 diameter drill screws. | This table is only a guide and does not constitute a warranty of any type.
Manufacturer Resources
Product Specs
- Minimum Purchase:
- 100 units
- Arra Compliant:
- C
- Buy American Compliant:
- C
- Dimensional Standard:
- ASME B18.6.3-2010
- Division:
- Electrical H1
- Drill Point Size:
- #2
- Drive Type:
- Hex
- Fastener Head Height:
- 0.096 - 0.11 in.
- Fastener Head Type:
- Indented Hex
- Fastener Head Width:
- 0.244 - 0.25 in.
- Fastener Length:
- 1/1/04
- Hardness:
- Rockwell C38-46
- Language Code:
- EN
- Order Minimum Imperial:
- 100
- Order Minimum Uom Imperial:
- CT
- Pack Type:
- Jar
- Panel Thickness:
- 0.035 - 0.100 IN
- Product Group:
- Fasteners
- Product Height:
- 2.15 in
- Product Length:
- 3 in
- Product Weight:
- 0.36 lbs
- Product Width:
- 3 in
- Screw Point Type:
- Drill Point
- Slot Depth:
- 0.052 - 0.066
- Slot Width:
- 0.045 - 0.054
- Sub Division:
- Electrical-E H2
- Thread Per Inch:
- 18
- Thread Standard:
- SAE J78 - 2013
- Torsional Strength:
- 42 lb-in minimum
- Washer Od:
- 0.322 - 0.348 in.
- Washer Thickness:
- 0.019 - 0.031 IN
- Width Across Corners:
- 0.272
- Department:
- Electrical
- Product Subgroup:
- Screws
- Product Type:
- Type BSD Self-Drilling & Tapping Screw
- Type2:
- Type BSD Self-Drilling & Tapping Screw
- Series:
- JTEKD
- Product Details:
- Type BSD Self-Drilling & Tapping Screw
- Product Material:
- 410 Stainless Steel
Metallics JTEKD114SS – Frequently Asked Questions
1) How thick a metal panel will the Metallics JTEKD114SS self-drilling screw go through?
The #2 drill point on the JTEKD114SS is rated for panel thickness of 0.035 to 0.100 in. That covers typical light-gauge steel studs, strut, hat channel and sheet metal. Thicker structural steel needs a heavier drill point, not this one.
2) What thread pitch is a #8 Type BSD self-drilling screw, and will it hold in light gauge steel?
18 threads per inch on a #8 diameter, 1-1/4 in. long Type BSD self-drilling and tapping screw. The screw drills and forms its own threads in one pass, so it holds in steel from 0.035 to 0.100 in. thick without a pilot hole or a nut on the back side.
3) What size driver do I need for a 1/4 indented hex head self-drilling screw?
A 1/4 in. hex driver or nutsetter. The indented hex head measures 0.244 to 0.25 in. across the flats and 0.272 across the corners, with a head height of 0.096 to 0.11 in. It is a hex drive, so no bit tip is involved.
4) Is a 410 stainless self-drilling screw okay for outdoor or damp locations?
The JTEKD114SS is 410 stainless steel, a hardenable martensitic stainless, which is what lets a stainless screw drill its own hole and still hold Rockwell C38-46 hardness. It resists corrosion better than plain carbon steel, but 410 is not as corrosion resistant as 300 series stainless, so for coastal or chemical exposure spec a 300 series fastener instead.
5) Does this screw come with a sealing washer or just a plain washer?
It is a washer head style screw: the washer OD runs 0.322 to 0.348 in. with a washer thickness of 0.019 to 0.031 in. That is a bearing washer that spreads load on thin sheet, not a bonded EPDM sealing washer. For a weather-tight roof or wall panel penetration you want a screw with a bonded neoprene washer.
6) What standards does the Metallics JTEKD self-drilling screw meet for a submittal?
Threads are to SAE J78 - 2013 and head dimensions to ASME B18.6.3-2010, with 42 lb-in minimum torsional strength. Note that SAE J78 does not cover #7 diameter drill screws. It is flagged both ARRA compliant and Buy American compliant, with country of origin China.
7) How many Metallics JTEKD114SS screws come in a pack?
They ship in a jar with an order minimum of 100 count. Total pack weight is 0.36 lbs.
8) How long does it take to drive a stainless self-drilling screw compared to a steel one?
No practical difference in drive torque. Minimum torque requirements are the same for stainless and steel self-drill screws, and drill time is about 2.5 seconds through a 1 mm thick plate.
How fast can I get the Metallics JTEKD114SS delivered?
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Does the Metallics JTEKD114SS come with a warranty?
Absolutely. The Metallics JTEKD114SS is backed by a manufacturer’s warranty.
For full warranty terms, check the product documentation or Contact Us.
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