5/16" x 1 1/4" Type A Hex Washer Head Self-Tapping Screws, Full Thread / Stainless Steel / 18-8 / Passivated
$495.99
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Product Description
5/16" x 1 1/4" Type A Hex Washer Head Self-Tapping Screws, Full Thread / Stainless Steel / 18-8 / Passivated
Specifications
| Material | Stainless Steel |
|---|---|
| Finish | Passivated |
| Grade | 18-8 |
| Size | 5/16" |
| Length | 1 1/4" |
| Head Style | Hex Washer Head |
| Drive | External Hex |
| Thread Pitch | 5/16-9 |
| Point Type | Type A |
| Head Diameter | 1/2 |
| Standard | ASME B18.6.4 |
| RoHS Compliance | RoHS Compliant |
| Measurement System | Inch |
RoHS Compliant🇺🇸 Made in USAStainless
Frequently Asked Questions
What pilot hole size do I need for this self-tapping screw?
The pilot hole should be approximately 70-80% of the screw outside diameter. For #6 screws use .128" drill (#30). For #8 use .157" (#21). For #10 use .180" (#15). For 1/4" use .228" (#1). Always test in scrap material first to verify proper engagement.
How corrosion-resistant is this stainless steel fastener?
Stainless steel fasteners resist rust and corrosion in most environments. For specific corrosion requirements, consult our engineering team or the appropriate ASTM specification.
Type A Self-Tapping Screws / Unslotted / Hex Washer Head
Family: AW188
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Technical Specifications
Thread Size
5/16"
Thread Type
Coarse (UNC)
Material
Stainless Steel
Grade
18-8
Head Style
Hex Washer Head
Thread Pitch
5/16-9
Head Diameter
1/2
SKU
3120AW188-500