5/16"-18 x 1 1/4" Type F Thread Cutting Screws / 6-Lobe / Flat Head / Low Carbon Steel / Zinc
- Steel
- Zinc
- 18 TPI · Coarse
- ASME B18.6.3
$105.23
$0.702 / pc
Package of 150
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Product Description
5/16"-18 x 1 1/4" Type F Thread Cutting Screws / 6-Lobe / Flat Head / Low Carbon Steel / Zinc
RoHS Compliant
$105.23
$0.702/pc
Type F Thread Cutting Screws / Six-Lobe (Torx®) / Flat Head
Family: FTF
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5/16"-18 x 1 1/4" Type F Thread Cutting Screws / 6-Lobe / Flat Head / Low Carbon Steel / Zinc
SKU: 3120FTF-150
Technical Specifications
Thread Size
5/16"-18
Thread Series
UNC
Thread Pitch
18 TPI
Thread Coverage
Full Thread
Thread Action
Thread Cutting
Tapping Type
Type F
Length
1 1/4"
Material
Steel
Finish
Zinc
Drive
6-Lobe
Head Style
Flat Head
Standard
ASME B18.6.3
Country of Origin
Import
Point Type
Blunt Tapered
Head Diameter (in)
0.558–0.597
Measurement System
Inch
Head Height (in)
0.191
SKU
3120FTF-150
Pilot Hole by Steel Thickness (5/16"-18)
| Steel Thickness (in) | Pilot Hole (in) | Drill Size |
|---|---|---|
| 0.109 | 0.277 | J |
| 0.125 | 0.277 | J |
| 0.140 | 0.281 | 9/32 |
| 0.187 | 0.290 | L |
| 0.250 | 0.290 | L |
| 0.312 | 0.290 | L |
| 0.375 | 0.290 | L |
| 0.500 | 0.290 | L |
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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