#4-40 Star Drive Pan Head Machine Screw 18-8 Stainless Steel

#4-40 Stainless Steel Star Drive Pan Head Machine Screws

Diameter - Thread Pitch: #4-40


  • A machine screw is commonly identified by its small size
  • Star / 6 lobe drive style can prevent accidental stripping during an installation
  • Star drive grips the head better allowing for more torque on a screw
  • Due to its non-typical drive style it may add extra resistance to tampering, but the star drive is widely available
  • 18-8 Stainless Steel offer the fastener industry standard of corrosion resistance, making the screw more durable, and suitable for harsh environments
  • 18-8 Stainless steel 6 lobe pan head machine screws are commonly used where fresh water is present

#4-40 Star drive pan head machine screws are available in 18-8 stainless steel.

Select Products Below See Product Specifications

NA = "Not Sold In Single Quantity"

Size
Select Package Quantity
SubTotal
Star Drive 6-Lobe Pan Head Machine Screw 18/8 SS - 4/40 x 3/16"
SKU #1060002-002
Star Drive 6-Lobe Pan Head Machine Screw 18/8 SS - 4/40 x 3/16"
SKU #1060002-002
1
NA
25
$2.75 (0.11/ea)
100
$10.00 (0.1/ea)
1000
$90.00 (0.09/ea)
Subtotal: $0.00 /
Star Drive 6-Lobe Pan Head Machine Screw 18/8 SS - 4/40 x 1/4
SKU #1060002
Star Drive 6-Lobe Pan Head Machine Screw 18/8 SS - 4/40 x 1/4
SKU #1060002
1
NA
25
$3.00 (0.12/ea)
100
$10.00 (0.1/ea)
1000
$90.00 (0.09/ea)
Subtotal: $0.00 /
Star Drive 6-Lobe Pan Head Machine Screw 18/8 SS - 4/40 x 5/16
SKU #1060010-002
Star Drive 6-Lobe Pan Head Machine Screw 18/8 SS - 4/40 x 5/16
SKU #1060010-002
1
NA
25
$3.25 (0.13/ea)
100
$11.00 (0.11/ea)
1000
$90.00 (0.09/ea)
Subtotal: $0.00 /
Star Drive 6-Lobe Pan Head Machine Screw 18/8 SS - 4/40 x 3/8
SKU #1060012
Star Drive 6-Lobe Pan Head Machine Screw 18/8 SS - 4/40 x 3/8
SKU #1060012
1
NA
25
$3.00 (0.12/ea)
100
$10.00 (0.1/ea)
1000
$90.00 (0.09/ea)
Subtotal: $0.00 /
Star Drive 6-Lobe Pan Head Machine Screw 18/8 SS - 4/40 x 7/16"
SKU #1060020-002
Star Drive 6-Lobe Pan Head Machine Screw 18/8 SS - 4/40 x 7/16"
SKU #1060020-002
1
NA
25
$3.25 (0.13/ea)
100
$11.00 (0.11/ea)
1000
$100.00 (0.1/ea)
Subtotal: $0.00 /
Star Drive 6-Lobe Pan Head Machine Screw 18/8 SS - 4/40 x 1/2
SKU #1060022
Star Drive 6-Lobe Pan Head Machine Screw 18/8 SS - 4/40 x 1/2
SKU #1060022
1
NA
25
$3.25 (0.13/ea)
100
$11.00 (0.11/ea)
1000
$100.00 (0.1/ea)
Subtotal: $0.00 /
Star Drive 6-Lobe Pan Head Machine Screw 18/8 SS - 4/40 x 5/8
SKU #1060030-002
Star Drive 6-Lobe Pan Head Machine Screw 18/8 SS - 4/40 x 5/8
SKU #1060030-002
1
NA
25
$3.75 (0.15/ea)
100
$14.00 (0.14/ea)
1000
$130.00 (0.13/ea)
Subtotal: $0.00 /
Star Drive 6-Lobe Pan Head Machine Screw 18/8 SS - 4/40 x 1
SKU #1060032
Star Drive 6-Lobe Pan Head Machine Screw 18/8 SS - 4/40 x 1
SKU #1060032
1
NA
25
$6.00 (0.24/ea)
100
$20.00 (0.2/ea)
1000
$170.00 (0.17/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
NA
25
$1.50 (0.06/ea)
100
$3.00 (0.03/ea)
1000
$20.00 (0.02/ea)
Subtotal: $0.00 /
1
NA
25
$1.50 (0.06/ea)
100
$3.00 (0.03/ea)
1000
$20.00 (0.02/ea)
Subtotal: $0.00 /

Product Specifications
Color
Silver
Corrosion Resistant
Yes
Diameter
#4
Drive Style
Star
Grade
18-8
Head Diameter
Max 0.219 - Min 0.205
Head Height Max
0.068
Head Style
Pan
Material
Stainless Steel
Overall Head Height
Max 0.068 - Min 0.058
Product Type
Machine Screws
System of Measurement (Unit)
Inch
Thread Direction
Right Hand
Thread Pitch (Count)
40 Per Inch
Thread Standard
UNC
Thread Type
Coarse
Tolerance (IFI)
Actual measurements may vary slightly +/- depending on production run within IFI Tolerances
Torx Drive
T-10