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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

This item qualifies for FREE SHIPPING on orders $250+
Select Products Below See Product Specifications
NA = "Not Sold In Single Quantity"

Size
Select Package Quantity
SubTotal
Solid Brass Slotted Flat Head Machine Screw (1/4"-20 x 3/8")
SKU #1013-10010-0002
Solid Brass Slotted Flat Head Machine Screw (1/4"-20 x 3/8")
SKU #1013-10010-0002
1
 $1.02 (1.02/ea)
25
 $24.75 (0.99/ea)
100
 $38.00 (0.38/ea)
1000
 $350.00 (0.35/ea)
Subtotal: $0.00 /
Solid Brass Slotted Flat Head Machine Screw (1/4"-20 x 1/2")
SKU #1013-10010-0012
Solid Brass Slotted Flat Head Machine Screw (1/4"-20 x 1/2")
SKU #1013-10010-0012
1
 NA
25
 $11.25 (0.45/ea)
100
 $39.00 (0.39/ea)
1000
 $360.00 (0.36/ea)
Subtotal: $0.00 /
Solid Brass Slotted Flat Head Machine Screw (1/4"-20 x 5/8")
SKU #1013-10010-0022
Solid Brass Slotted Flat Head Machine Screw (1/4"-20 x 5/8")
SKU #1013-10010-0022
1
 NA
25
 $14.75 (0.59/ea)
100
 $40.00 (0.4/ea)
1000
 $370.00 (0.37/ea)
Subtotal: $0.00 /
Solid Brass Slotted Flat Head Machine Screw (1/4"-20 x 3/4")
SKU #1013-10010-0032
Solid Brass Slotted Flat Head Machine Screw (1/4"-20 x 3/4")
SKU #1013-10010-0032
1
 NA
25
 $14.25 (0.57/ea)
100
 $41.00 (0.41/ea)
1000
 $380.00 (0.38/ea)
Subtotal: $0.00 /
Solid Brass Slotted Flat Head Machine Screw (1/4"-20 x 7/8")
SKU #1013-10010-0042
Solid Brass Slotted Flat Head Machine Screw (1/4"-20 x 7/8")
SKU #1013-10010-0042
1
 $0.85 (0.85/ea)
25
 $20.25 (0.81/ea)
100
 $77.00 (0.77/ea)
1000
 $740.00 (0.74/ea)
Subtotal: $0.00 /
Solid Brass Slotted Flat Head Machine Screw (1/4"-20 x 1")
SKU #1013-10010-0052
Solid Brass Slotted Flat Head Machine Screw (1/4"-20 x 1")
SKU #1013-10010-0052
1
 $0.81 (0.81/ea)
25
 $19.50 (0.78/ea)
100
 $45.00 (0.45/ea)
1000
 $420.00 (0.42/ea)
Subtotal: $0.00 /
Solid Brass Slotted Flat Head Machine Screw (1/4"-20 x 1-1/4")
SKU #1013-10010-0062
Solid Brass Slotted Flat Head Machine Screw (1/4"-20 x 1-1/4")
SKU #1013-10010-0062
1
 $0.81 (0.81/ea)
25
 $19.50 (0.78/ea)
100
 $54.00 (0.54/ea)
1000
 $500.00 (0.5/ea)
Subtotal: $0.00 /
Solid Brass Slotted Flat Head Machine Screw (1/4"-20 x 1-1/2")
SKU #1013-10010-0072
Solid Brass Slotted Flat Head Machine Screw (1/4"-20 x 1-1/2")
SKU #1013-10010-0072
1
 $1.04 (1.04/ea)
25
 $25.00 (1/ea)
100
 $59.00 (0.59/ea)
1000
 $550.00 (0.55/ea)
Subtotal: $0.00 /
Solid Brass Slotted Flat Head Machine Screw (1/4"-20 x 1-3/4")
SKU #1013-10010-0082
Solid Brass Slotted Flat Head Machine Screw (1/4"-20 x 1-3/4")
SKU #1013-10010-0082
1
 $1.43 (1.43/ea)
25
 $34.25 (1.37/ea)
100
 $93.00 (0.93/ea)
1000
 $850.00 (0.85/ea)
Subtotal: $0.00 /
Solid Brass Slotted Flat Head Machine Screw (1/4"-20 x 2")
SKU #1013-10010-0092
Solid Brass Slotted Flat Head Machine Screw (1/4"-20 x 2")
SKU #1013-10010-0092
1
 $1.51 (1.51/ea)
25
 $36.00 (1.44/ea)
100
 $78.00 (0.78/ea)
1000
 $710.00 (0.71/ea)
Subtotal: $0.00 /
Solid Brass Slotted Flat Head Machine Screw (1/4"-20 x 2-1/4")
SKU #1013-10010-0102
Solid Brass Slotted Flat Head Machine Screw (1/4"-20 x 2-1/4")
SKU #1013-10010-0102
1
 $1.80 (1.8/ea)
25
 $43.50 (1.74/ea)
100
 $166.00 (1.66/ea)
1000
 $1,650.00 (1.65/ea)
Subtotal: $0.00 /
Solid Brass Slotted Flat Head Machine Screw (1/4"-20 x 2-1/2")
SKU #1013-10010-0112
Solid Brass Slotted Flat Head Machine Screw (1/4"-20 x 2-1/2")
SKU #1013-10010-0112
1
 $1.90 (1.9/ea)
25
 $45.50 (1.82/ea)
100
 $95.00 (0.95/ea)
1000
 $870.00 (0.87/ea)
Subtotal: $0.00 /
Solid Brass Slotted Flat Head Machine Screw (1/4"-20 x 3")
SKU #1013-10010-0122
Solid Brass Slotted Flat Head Machine Screw (1/4"-20 x 3")
SKU #1013-10010-0122
1
 $2.19 (2.19/ea)
25
 $53.00 (2.12/ea)
100
 $107.00 (1.07/ea)
1000
 $990.00 (0.99/ea)
Subtotal: $0.00 /
Solid Brass Slotted Flat Head Machine Screw (1/4"-20 x 3-1/2")
SKU #1013-10010-0132
Solid Brass Slotted Flat Head Machine Screw (1/4"-20 x 3-1/2")
SKU #1013-10010-0132
1
 $2.78 (2.78/ea)
25
 $67.00 (2.68/ea)
100
 $124.00 (1.24/ea)
1000
 $1,150.00 (1.15/ea)
Subtotal: $0.00 /
Solid Brass Slotted Flat Head Machine Screw (1/4"-20 x 4")
SKU #1013-10010-0142
Solid Brass Slotted Flat Head Machine Screw (1/4"-20 x 4")
SKU #1013-10010-0142
1
 $3.51 (3.51/ea)
25
 $84.25 (3.37/ea)
100
 $248.00 (2.48/ea)
1000
 $2,280.00 (2.28/ea)
Subtotal: $0.00 /

Frequently Used With

Brass Flat Washer - 1/4" Small (.260 ID x .562 OD x .040 Thick)
Brass Flat Washer - 1/4" Small (.260 ID x .562 OD x .040 Thick) 4000122
Brass Flat Washer - 1/4
1
 NA
25
 $4.75 (0.19/ea)
100
 $13.00 (0.13/ea)
1000
 $110.00 (0.11/ea)
Subtotal: $0.00 /
Brass Flat Washer - 1/4" Large (.260 ID x .687 OD x .051 Thick)
Brass Flat Washer - 1/4" Large (.260 ID x .687 OD x .051 Thick) 4000132
Brass Flat Washer - 1/4
1
 NA
25
 $7.50 (0.3/ea)
100
 $25.00 (0.25/ea)
1000
 $220.00 (0.22/ea)
Subtotal: $0.00 /
Hex Finish Nuts Brass - 1/4"-20 (7/16" Flats x 7/32" Thick)
Hex Finish Nuts Brass - 1/4"-20 (7/16" Flats x 7/32" Thick) 230002
Hex Finish Nuts Brass - 1/4
1
 NA
25
 $8.00 (0.32/ea)
100
 $29.00 (0.29/ea)
1000
 $270.00 (0.27/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

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