5/16-18 Star Drive Flat Head Type F Thread Cutting Floorboard Screws Black Phosphate & Oil Finish"

5/16"-18 Star Drive Flat Head Thread Cutting Screws - Black Phosphate and Oil Finish - Type F Point

Diameter - Thread Pitch: 5/16"-18


  • Provide a tight fit
  • A thread cutting screw cuts its own threads into an existing hole
  • High resistances to torque, shear, and tension when applied
  • Feature a machine screw style thread
  • Blunt tapered point with multi-cutting edges and chip cavities
  • Star drive style to designed to reduce the chance of slip out during proper installation
  • Minimizes the chance to stripping

5/16"-18 Thread Cutting screws feature a thread cutting tip which makes threads in existing or pre-drilled holes.

Drill Bit Sizes for Thread Cutting Screws

Sizes Listed As:
Diameter - Thread Pitch x Length from Top of Head

Select Products Below See Product Specifications

NA = "Not Sold In Single Quantity"

Size
Select Package Quantity
SubTotal
Star Drive Flat Head Type F Screws Black Phosphate 5/16"-18 x 3/4"
SKU #6000-018-0052
Star Drive Flat Head Type F Screws Black Phosphate 5/16"-18 x 3/4"
SKU #6000-018-0052
1
NA
25
$14.00 (0.56/ea)
100
$51.00 (0.51/ea)
1000
$500.00 (0.5/ea)
Subtotal: $0.00 /
Star Drive Flat Head Type F Screws Black Phosphate 5/16"-18 x 1"
SKU #6000-018-0062
Star Drive Flat Head Type F Screws Black Phosphate 5/16"-18 x 1"
SKU #6000-018-0062
1
NA
25
$11.75 (0.47/ea)
100
$45.00 (0.45/ea)
1000
$430.00 (0.43/ea)
Subtotal: $0.00 /
Star Drive Flat Head Type F Screws Black Phosphate 5/16"-18 x 1-1/4"
SKU #6000-018-0072
Star Drive Flat Head Type F Screws Black Phosphate 5/16"-18 x 1-1/4"
SKU #6000-018-0072
1
NA
25
$12.25 (0.49/ea)
100
$47.00 (0.47/ea)
1000
$440.00 (0.44/ea)
Subtotal: $0.00 /
Star Drive Flat Head Type F Screws Black Phosphate 5/16"-18 x 1-1/2"
SKU #6000-018-0082
Star Drive Flat Head Type F Screws Black Phosphate 5/16"-18 x 1-1/2"
SKU #6000-018-0082
1
NA
25
$14.75 (0.59/ea)
100
$58.00 (0.58/ea)
1000
$560.00 (0.56/ea)
Subtotal: $0.00 /
Star Drive Flat Head Type F Screws Black Phosphate 5/16"-18 x 1-3/4"
SKU #6000-018-0002
Star Drive Flat Head Type F Screws Black Phosphate 5/16"-18 x 1-3/4"
SKU #6000-018-0002
1
NA
25
$5.75 (0.23/ea)
100
$17.00 (0.17/ea)
1000
$150.00 (0.15/ea)
Subtotal: $0.00 /
Star Drive Flat Head Type F Screws Black Phosphate 5/16"-18 x 2"
SKU #6000-018-0012
Star Drive Flat Head Type F Screws Black Phosphate 5/16"-18 x 2"
SKU #6000-018-0012
1
NA
25
$10.00 (0.4/ea)
100
$37.00 (0.37/ea)
1000
$330.00 (0.33/ea)
Subtotal: $0.00 /
Star Drive Flat Head Type F Screws Black Phosphate 5/16"-18 x 2-1/4"
SKU #6000-018-0022
Star Drive Flat Head Type F Screws Black Phosphate 5/16"-18 x 2-1/4"
SKU #6000-018-0022
1
NA
25
$7.00 (0.28/ea)
100
$22.00 (0.22/ea)
1000
$200.00 (0.2/ea)
Subtotal: $0.00 /
Star Drive Flat Head Type F Screws Black Phosphate 5/16"-18 x 2-1/2"
SKU #6000-018-0032
Star Drive Flat Head Type F Screws Black Phosphate 5/16"-18 x 2-1/2"
SKU #6000-018-0032
1
NA
25
$7.00 (0.28/ea)
100
$22.00 (0.22/ea)
1000
$200.00 (0.2/ea)
Subtotal: $0.00 /
Star Drive Flat Head Type F Screws Black Phosphate 5/16"-18 x 3-1/2"
SKU #6000-018-0092
Star Drive Flat Head Type F Screws Black Phosphate 5/16"-18 x 3-1/2"
SKU #6000-018-0092
1
$1.45 (1.45/ea)
25
$35.75 (1.43/ea)
100
$137.00 (1.37/ea)
1000
$1,360.00 (1.36/ea)
Subtotal: $0.00 /
Star Drive Flat Head Type F Screws Black Phosphate 5/16"-18 x 4"
SKU #6000-018-0102
Star Drive Flat Head Type F Screws Black Phosphate 5/16"-18 x 4"
SKU #6000-018-0102
1
$2.32 (2.32/ea)
25
$55.75 (2.23/ea)
100
$214.00 (2.14/ea)
1000
$2,120.00 (2.12/ea)
Subtotal: $0.00 /
Star Drive Flat Head Type F Screws Black Phosphate 5/16"-18 x 5"
SKU #6000-018-0112
Star Drive Flat Head Type F Screws Black Phosphate 5/16"-18 x 5"
SKU #6000-018-0112
1
$4.72 (4.72/ea)
25
$113.25 (4.53/ea)
100
$435.00 (4.35/ea)
1000
$4,340.00 (4.34/ea)
Subtotal: $0.00 /
Star Drive Flat Head Type F Screws Black Phosphate 5/16"-18 x 6"
SKU #6000-018-0122
Star Drive Flat Head Type F Screws Black Phosphate 5/16"-18 x 6"
SKU #6000-018-0122
1
$4.87 (4.87/ea)
25
$116.50 (4.66/ea)
100
$449.00 (4.49/ea)
1000
$4,460.00 (4.46/ea)
Subtotal: $0.00 /



FREQUENTLY USED WITH

1
$2.19 (2.19/ea)
10
$18.50 (1.85/ea)
25
$45.75 (1.83/ea)
50
$89.50 (1.79/ea)
Subtotal: $0.00 /
1
$11.43 (11.43/ea)
5
$46.40 (9.28/ea)
10
$89.40 (8.94/ea)
Subtotal: $0.00 /

Product Specifications
Corrosion Resistant
Yes
Drive Style
Star
Finish
Black Phosphate & Oil
Grade
C1022
Head Diameter
Max 0.597 - Min 0.556
Head Style
Flat
Material
Steel
Point Type
F
System of Measurement (Unit)
Inch
Thread Diameter
(5/16") Max 0.3152 - Min 0.3065
Thread Direction
Right Hand
Thread Pitch (Count)
18 Per Inch
Thread Standard
UNC
Thread Type
Coarse
Tolerance (IFI)
Actual measurements may vary slightly +/- depending on production run within IFI Tolerances
Torx Drive
T40