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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"
SKU #1013-10012-0002
5/16"-18 x 1/2"
SKU #1013-10012-0002
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"
SKU #1013-10012-0012
5/16"-18 x 3/4"
SKU #1013-10012-0012
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"
SKU #1013-10012-0022
5/16"-18 x 1"
SKU #1013-10012-0022
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"
SKU #1013-10012-0032
5/16"-18 x 1-1/4"
SKU #1013-10012-0032
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"
SKU #1013-10012-0042
5/16"-18 x 1-1/2"
SKU #1013-10012-0042
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"
SKU #1013-10012-0052
5/16"-18 x 1-3/4"
SKU #1013-10012-0052
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"
SKU #1013-10012-0062
5/16"-18 x 2"
SKU #1013-10012-0062
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"
SKU #1013-10012-0072
5/16"-18 x 2-1/2"
SKU #1013-10012-0072
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"
SKU #1013-10012-0082
5/16"-18 x 3"
SKU #1013-10012-0082
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"
SKU #1013-10012-0092
5/16"-18 x 4"
SKU #1013-10012-0092
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

Hex Finish Nuts Brass - 5/16"-18 (1/2" Flats x 17/64" Thick)
Hex Finish Nuts Brass - 5/16"-18 (1/2" Flats x 17/64" Thick) 230022
Hex Finish Nuts Brass - 5/16
1 $0.46 (0.46/ea)
100 $29.00 (0.29/ea)
1000 $260.00 (0.26/ea)
Subtotal: $0.00
Brass Flat Washer - 5/16" Small (.340 ID x .750 OD x .062 Thick)
Brass Flat Washer - 5/16" Small (.340 ID x .750 OD x .062 Thick) 4000182
Brass Flat Washer - 5/16
1 $0.35 (0.35/ea)
100 $20.00 (0.2/ea)
1000 $190.00 (0.19/ea)
Subtotal: $0.00
Brass Flat Washer - 5/16" Large (.340 ID x .875 OD x .062 Thick)
Brass Flat Washer - 5/16" Large (.340 ID x .875 OD x .062 Thick) 4000192
Brass Flat Washer - 5/16
1 $0.36 (0.36/ea)
100 $21.00 (0.21/ea)
1000 $200.00 (0.2/ea)
Subtotal: $0.00
Split Ring Lock Washers Silicon Bronze - 5/16 (.314 x .583 x .078)
Split Ring Lock Washers Silicon Bronze - 5/16 (.314 x .583 x .078) 1102-129-0062
Split Ring Lock Washers Silicon Bronze - 5/16 (.314 x .583 x .078)
1 $0.32 (0.32/ea)
100 $19.00 (0.19/ea)
1000 $170.00 (0.17/ea)
Subtotal: $0.00
Nylon Lock Nuts, Solid Brass, 5/16-18
Nylon Lock Nuts, Solid Brass, 5/16-18 1102-092-0012
Nylon Lock Nuts, Solid Brass, 5/16-18
1 $0.67 (0.67/ea)
100 $42.00 (0.42/ea)
1000 $380.00 (0.38/ea)
Subtotal: $0.00
Finishing Cup Washer Brass - 5/16"
Finishing Cup Washer Brass - 5/16" 12322-0062
Finishing Cup Washer Brass - 5/16
1 $0.66 (0.66/ea)
100 $44.00 (0.44/ea)
1000 $400.00 (0.4/ea)
Subtotal: $0.00
Product Specifications
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

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