Machine Screws, Slotted Flat Head, Brass, 5/16"-18

Machine Screws, Slotted Flat Head, Brass, 5/16"-18

Diameter - Thread Pitch: 5/16"-18


  • ASME Standards specific
  • A machine screw is commonly identified by its small size
  • Installed with a flat head or slotted screwdriver/bit
  • Countersunk head that runs flush with the application surface
  • Brass is very corrosion resistant but also a very soft material
  • Conducts electricity and heat
  • Commonly used for:
    • Plumbing
    • Carpentry
    • Weather Stripping
    • Trim
    • Radiators
    • Musical Instruments

5/16"-18 slotted flat head machine screws in corrosion resistant brass.
NOTE: Color and sheen may vary

Select Products Below See Product Specifications

NA = "Not Sold In Single Quantity"

Size/SKU
Select Package Quantity Price
SubTotal
5/16"-18 x 1/2"
5/16"-18 x 1/2"
1 $0.88 (0.88/ea)
100 $73.00 (0.73/ea)
1000 $660.00 (0.66/ea)
Subtotal: $0.00 /
5/16"-18 x 3/4"
5/16"-18 x 3/4"
1 $0.97 (0.97/ea)
100 $68.00 (0.68/ea)
1000 $630.00 (0.63/ea)
Subtotal: $0.00 /
5/16"-18 x 1"
5/16"-18 x 1"
1 $1.20 (1.2/ea)
100 $84.00 (0.84/ea)
1000 $780.00 (0.78/ea)
Subtotal: $0.00 /
5/16"-18 x 1-1/4"
5/16"-18 x 1-1/4"
1 $1.31 (1.31/ea)
100 $88.00 (0.88/ea)
1000 $810.00 (0.81/ea)
Subtotal: $0.00 /
5/16"-18 x 1-1/2"
5/16"-18 x 1-1/2"
1 $1.41 (1.41/ea)
100 $97.00 (0.97/ea)
1000 $890.00 (0.89/ea)
Subtotal: $0.00 /
5/16"-18 x 1-3/4"
5/16"-18 x 1-3/4"
1 $1.72 (1.72/ea)
100 $114.00 (1.14/ea)
1000 $1,050.00 (1.05/ea)
Subtotal: $0.00 /
5/16"-18 x 2"
5/16"-18 x 2"
1 $1.83 (1.83/ea)
100 $126.00 (1.26/ea)
1000 $1,160.00 (1.16/ea)
Subtotal: $0.00 /
5/16"-18 x 2-1/2"
5/16"-18 x 2-1/2"
1 $2.54 (2.54/ea)
100 $174.00 (1.74/ea)
1000 $1,600.00 (1.6/ea)
Subtotal: $0.00 /
5/16"-18 x 3"
5/16"-18 x 3"
1 $2.88 (2.88/ea)
100 $200.00 (2/ea)
1000 $1,850.00 (1.85/ea)
Subtotal: $0.00 /
5/16"-18 x 4"
5/16"-18 x 4"
1 $4.20 (4.2/ea)
100 $310.00 (3.1/ea)
1000 $2,850.00 (2.85/ea)
Subtotal: $0.00 /

Frequently Used With

1 $0.46 (0.46/ea)
100 $29.00 (0.29/ea)
1000 $260.00 (0.26/ea)
Subtotal: $0.00
1 $0.35 (0.35/ea)
100 $20.00 (0.2/ea)
1000 $190.00 (0.19/ea)
Subtotal: $0.00
1 $0.36 (0.36/ea)
100 $21.00 (0.21/ea)
1000 $200.00 (0.2/ea)
Subtotal: $0.00
1 $0.32 (0.32/ea)
100 $19.00 (0.19/ea)
1000 $170.00 (0.17/ea)
Subtotal: $0.00
1 $0.67 (0.67/ea)
100 $42.00 (0.42/ea)
1000 $380.00 (0.38/ea)
Subtotal: $0.00
1 $0.66 (0.66/ea)
100 $44.00 (0.44/ea)
1000 $400.00 (0.4/ea)
Subtotal: $0.00

Product Specifications
ANSI
B1.1
Class
2A
Color
Yellow
Color May Vary
Color and sheen may vary
Corrosion Resistant
Yes
Countersink
82 Degree
Drive Style
Slotted
Head Diameter
Max 0.635 - Min 0.568
Head Style
Flat
Material
Brass
Overall Head Height
Max 0.191 - Min 0.165 (From Bottom of Countersink to Top of Head)
Product Type
Slotted Flat Head Machine Screws
System of Measurement (Unit)
Inch
Thread Diameter
(5/16") Max 0.3113 - Min 0.3026
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