1/4"-20 x 3 1/2" Type F Thread Cutting Screws / Phillips / Pan Head / Low Carbon Steel / Zinc
- Steel
- Zinc
- 20 TPI · Coarse
- ASME B18.6.3
$104.40
$1.74 / pc
Package of 60
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Product Description
1/4"-20 x 3 1/2" Type F Thread Cutting Screws / Phillips / Pan Head / Low Carbon Steel / Zinc
RoHS Compliant
$104.40
$1.74/pc
Type F Thread Cutting Screws / Phillips / Pan Head
Family: FPP
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1/4"-20 x 3 1/2" Type F Thread Cutting Screws / Phillips / Pan Head / Low Carbon Steel / Zinc
SKU: 1456FPP-60
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
3 1/2"
Material
Steel
Finish
Zinc
Drive
Phillips
Head Style
Pan Head
Standard
ASME B18.6.3
Country of Origin
Import
Point Type
Blunt Tapered
Head Diameter (in)
0.473–0.492
Measurement System
Inch
Head Height (in)
0.162–0.175
SKU
1456FPP-60
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.
https://www.ecomfasteners.com/products/1-4-20-x-3-1-2-type-f-thread-cutting-screws-phillips-pan-head-steel-zinc · Printed