1/4"-20 x 5/8" Type F Thread Cutting Screws / Phillips / Flat Undercut Head / Low Carbon Steel / Zinc / Made in USA
- Steel
- Zinc
- 20 TPI · Coarse
- ASME B18.6.3
$269.10
$0.538 / pc
Package of 500
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Product Description
1/4"-20 x 5/8" Type F Thread Cutting Screws / Phillips / Flat Undercut Head / Low Carbon Steel / Zinc / Made in USA
RoHS Compliant🇺🇸 Made in USA
$269.10
$0.538/pc
Type F Thread Cutting Screws / Phillips / Flat Undercut Head
Family: FPU
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1/4"-20 x 5/8" Type F Thread Cutting Screws / Phillips / Flat Undercut Head / Low Carbon Steel / Zinc / Made in USA
SKU: 1410FPU-500
Technical Specifications
Thread Size
1/4"-20
Thread Series
UNC
Thread Pitch
20 TPI
Thread Coverage
Full Thread
Thread Action
Thread Cutting
Tapping Type
Type F
Length
5/8"
Material
Steel
Finish
Zinc
Drive
Phillips
Head Style
Flat Undercut Head
Standard
ASME B18.6.3
Country of Origin
USA
Point Type
Blunt Tapered
Head Diameter (in)
0.442–0.477
Measurement System
Inch
Head Height (in)
0.092–0.107
SKU
1410FPU-500
Pilot Hole by Steel Thickness (1/4"-20)
| Steel Thickness (in) | Pilot Hole (in) | Drill Size |
|---|---|---|
| 0.083 | 0.213 | #3 |
| 0.109 | 0.219 | 7/32 |
| 0.125 | 0.221 | #2 |
| 0.140 | 0.221 | #2 |
| 0.187 | 0.228 | #1 |
| 0.250 | 0.228 | #1 |
| 0.312 | 0.228 | #1 |
| 0.375 | 0.228 | #1 |
| 0.500 | 0.228 | #1 |
Source: Machinery's Handbook, 26th ed., Table 13 (steel). It may be necessary to vary the hole size to suit a particular application.
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