1/4-20 Slotted Flat Head Machine Screw Solid Brass

1/4"-20 Brass Slotted Flat Head Machine Screws

Diameter - Thread Pitch: 1/4"-20


  • 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

1/4"-20 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
1/4"-20 x 3/8"
1/4"-20 x 3/8"
1 $0.55 (0.55/ea)
100 $36.00 (0.36/ea)
1000 $340.00 (0.34/ea)
Subtotal: $0.00 /
1/4"-20 x 1/2"
1/4"-20 x 1/2"
1 $0.57 (0.57/ea)
100 $37.00 (0.37/ea)
1000 $350.00 (0.35/ea)
Subtotal: $0.00 /
1/4"-20 x 5/8"
1/4"-20 x 5/8"
1 $0.60 (0.6/ea)
100 $38.00 (0.38/ea)
1000 $350.00 (0.35/ea)
Subtotal: $0.00 /
1/4"-20 x 3/4"
1/4"-20 x 3/4"
1 $0.63 (0.63/ea)
100 $39.00 (0.39/ea)
1000 $370.00 (0.37/ea)
Subtotal: $0.00 /
1/4"-20 x 7/8"
1/4"-20 x 7/8"
1 $0.48 (0.48/ea)
100 $40.00 (0.4/ea)
1000 $360.00 (0.36/ea)
Subtotal: $0.00 /
1/4"-20 x 1"
1/4"-20 x 1"
1 $0.68 (0.68/ea)
100 $43.00 (0.43/ea)
1000 $400.00 (0.4/ea)
Subtotal: $0.00 /
1/4"-20 x 1-1/4"
1/4"-20 x 1-1/4"
1 $0.81 (0.81/ea)
100 $53.00 (0.53/ea)
1000 $490.00 (0.49/ea)
Subtotal: $0.00 /
1/4"-20 x 1-1/2"
1/4"-20 x 1-1/2"
1 $0.90 (0.9/ea)
100 $70.00 (0.7/ea)
1000 $650.00 (0.65/ea)
Subtotal: $0.00 /
1/4"-20 x 1-3/4"
1/4"-20 x 1-3/4"
1 $1.08 (1.08/ea)
100 $70.00 (0.7/ea)
1000 $650.00 (0.65/ea)
Subtotal: $0.00 /
1/4"-20 x 2"
1/4"-20 x 2"
1 $1.16 (1.16/ea)
100 $76.00 (0.76/ea)
1000 $710.00 (0.71/ea)
Subtotal: $0.00 /
1/4"-20 x 2-1/4"
1/4"-20 x 2-1/4"
1 $1.20 (1.2/ea)
100 $99.00 (0.99/ea)
1000 $900.00 (0.9/ea)
Subtotal: $0.00 /
1/4"-20 x 2-1/2"
1/4"-20 x 2-1/2"
1 $1.41 (1.41/ea)
100 $93.00 (0.93/ea)
1000 $860.00 (0.86/ea)
Subtotal: $0.00 /
1/4"-20 x 3"
1/4"-20 x 3"
1 $1.61 (1.61/ea)
100 $106.00 (1.06/ea)
1000 $980.00 (0.98/ea)
Subtotal: $0.00 /
1/4"-20 x 3-1/2"
1/4"-20 x 3-1/2"
1 $1.83 (1.83/ea)
100 $122.00 (1.22/ea)
1000 $1,130.00 (1.13/ea)
Subtotal: $0.00 /
1/4"-20 x 4"
1/4"-20 x 4"
1 $2.91 (2.91/ea)
100 $175.00 (1.75/ea)
1000 $1,610.00 (1.61/ea)
Subtotal: $0.00 /

Frequently Used With

1 $0.24 (0.24/ea)
100 $12.00 (0.12/ea)
1000 $110.00 (0.11/ea)
Subtotal: $0.00
1 $0.25 (0.25/ea)
100 $13.00 (0.13/ea)
1000 $120.00 (0.12/ea)
Subtotal: $0.00
1 $0.28 (0.28/ea)
100 $18.00 (0.18/ea)
1000 $170.00 (0.17/ea)
Subtotal: $0.00
1 $0.25 (0.25/ea)
100 $13.00 (0.13/ea)
1000 $120.00 (0.12/ea)
Subtotal: $0.00
1 $0.53 (0.53/ea)
100 $34.00 (0.34/ea)
1000 $300.00 (0.3/ea)
Subtotal: $0.00
1 $0.19 (0.19/ea)
100 $13.00 (0.13/ea)
1000 $120.00 (0.12/ea)
Subtotal: $0.00

Product Specifications
ANSI
ANSI B1.1
Color
Yellow
Color May Vary
Color and sheen may vary
Corrosion Resistant
Yes
Countersink
82 Degree
Drive Style
Slotted
Head Diameter
Max 0.507 - Min 0.452
Head Style
Flat
Material
Brass
Overall Head Height
Max 0.153 - Min 0.131 (From Bottom of Countersink to Top of Head)
Product Type
Slotted Flat Head Machine Screws
System of Measurement (Unit)
Inch
Thread Diameter
(1/4") Max 0.2489 - Min 0.2408
Thread Direction
Right Hand
Thread Pitch (Count)
20 Per Inch
Thread Standard
UNC
Thread Type
Coarse
Tolerance (IFI)
Actual measurements may vary slightly +/- depending on production run within IFI Tolerances