5/16"-18 x 2 1/2" Type F Thread Cutting Screws / 6-Lobe / Pan Head / Steel / Black Phos
- Steel
- Black Phosphate
- 18 TPI · Coarse
- ASME B18.6.3
$88.28
$2.94 / pc
Package of 30
Volume pricing: the bulk box price per piece is shown above. Need more? Request a quote →
Net 30 terms for approved accounts. Apply for wholesale →
Product Description
5/16"-18 x 2 1/2" Type F Thread Cutting Screws / 6-Lobe / Pan Head / Steel / Black Phos
$88.28
$2.94/pc
Type F Thread Cutting Screws / Six-Lobe (Torx®) / Pan Head
Family: FTPB
Select size and quantity, then add to cart
Loading filters...
|
Loading family products...
|
5/16"-18 x 2 1/2" Type F Thread Cutting Screws / 6-Lobe / Pan Head / Steel / Black Phos
SKU: 3140FTPB-30
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
2 1/2"
Material
Steel
Finish
Black Phosphate
Drive
6-Lobe
Head Style
Pan Head
Standard
ASME B18.6.3
Country of Origin
Import
Point Type
Blunt Tapered
Head Diameter (in)
0.594–0.615
Measurement System
Inch
Head Height (in)
0.203–0.218
SKU
3140FTPB-30
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.
https://www.ecomfasteners.com/products/5-16-18-x-2-1-2-type-f-thread-cutting-screws-six-lobe-torx-pan-head-steel-black-phos · Printed