1/4-20 Slotted Flat Head Machine Screw Silicon Bronze"

1/4"-20 Silicon Bronze Slotted Flat Head Machine Screws

Diameter - Thread Pitch: 1/4"-20


  • Alloy 651 Silicon Bronze for excellent corrosion resistance
  • ASME Standards specific
  • A machine screw is commonly identified by its small size
  • Countersunk head that runs flush with application surface
  • Used in marine, corrosive and high heat environments
  • Often used in plumbing and electrical applications

1/4"-20 Slotted flat head machine screws made of silicon bronze.
NOTE: Color and sheen may vary

Note: All Silicon Bronze products will develop a patina based on the environment and time. These fasteners are not coated with any sealants to prevent a patina from forming. Depending on when the product was manufactured, you may receive a product that has started to develop a patina.

Select Products Below See Product Specifications

NA = "Not Sold In Single Quantity"

Size
Select Package Quantity
SubTotal
Slotted Flat Head Machine Screw Silicon Bronze - 1/4"-20 x 1/2"
SKU #5900-016-0002
Slotted Flat Head Machine Screw Silicon Bronze - 1/4"-20 x 1/2"
SKU #5900-016-0002
1
$0.79 (0.79/ea)
25
$19.25 (0.77/ea)
100
$47.00 (0.47/ea)
1000
$430.00 (0.43/ea)
Subtotal: $0.00 /
Slotted Flat Head Machine Screw Silicon Bronze - 1/4"-20 x 5/8"
SKU #5900-016-0012
Slotted Flat Head Machine Screw Silicon Bronze - 1/4"-20 x 5/8"
SKU #5900-016-0012
1
$0.99 (0.99/ea)
25
$23.75 (0.95/ea)
100
$54.00 (0.54/ea)
1000
$500.00 (0.5/ea)
Subtotal: $0.00 /
Slotted Flat Head Machine Screw Silicon Bronze - 1/4"-20 x 3/4"
SKU #5900-016-0022
Slotted Flat Head Machine Screw Silicon Bronze - 1/4"-20 x 3/4"
SKU #5900-016-0022
1
$1.09 (1.09/ea)
25
$26.50 (1.06/ea)
100
$57.00 (0.57/ea)
1000
$520.00 (0.52/ea)
Subtotal: $0.00 /
Slotted Flat Head Machine Screw Silicon Bronze - 1/4"-20 x 1"
SKU #5900-016-0032
Slotted Flat Head Machine Screw Silicon Bronze - 1/4"-20 x 1"
SKU #5900-016-0032
1
$1.39 (1.39/ea)
25
$33.50 (1.34/ea)
100
$64.00 (0.64/ea)
1000
$590.00 (0.59/ea)
Subtotal: $0.00 /
Slotted Flat Head Machine Screw Silicon Bronze - 1/4"-20 x 1-1/4"
SKU #5900-016-0042
Slotted Flat Head Machine Screw Silicon Bronze - 1/4"-20 x 1-1/4"
SKU #5900-016-0042
1
$1.61 (1.61/ea)
25
$38.25 (1.53/ea)
100
$67.00 (0.67/ea)
1000
$620.00 (0.62/ea)
Subtotal: $0.00 /
Slotted Flat Head Machine Screw Silicon Bronze - 1/4"-20 x 1-1/2"
SKU #5900-016-0052
Slotted Flat Head Machine Screw Silicon Bronze - 1/4"-20 x 1-1/2"
SKU #5900-016-0052
1
$1.26 (1.26/ea)
25
$29.50 (1.18/ea)
100
$109.00 (1.09/ea)
1000
$1,060.00 (1.06/ea)
Subtotal: $0.00 /
Slotted Flat Head Machine Screw Silicon Bronze - 1/4"-20 x 1-3/4"
SKU #5900-016-0062
Slotted Flat Head Machine Screw Silicon Bronze - 1/4"-20 x 1-3/4"
SKU #5900-016-0062
1
$2.24 (2.24/ea)
25
$54.00 (2.16/ea)
100
$114.00 (1.14/ea)
1000
$1,050.00 (1.05/ea)
Subtotal: $0.00 /
Slotted Flat Head Machine Screw Silicon Bronze - 1/4"-20 x 2"
SKU #5900-016-0072
Slotted Flat Head Machine Screw Silicon Bronze - 1/4"-20 x 2"
SKU #5900-016-0072
1
$2.34 (2.34/ea)
25
$56.25 (2.25/ea)
100
$170.00 (1.7/ea)
1000
$1,560.00 (1.56/ea)
Subtotal: $0.00 /
Slotted Flat Head Machine Screw Silicon Bronze - 1/4"-20 x 2-1/2"
SKU #5900-016-0082
Slotted Flat Head Machine Screw Silicon Bronze - 1/4"-20 x 2-1/2"
SKU #5900-016-0082
1
$2.79 (2.79/ea)
25
$67.50 (2.7/ea)
100
$217.00 (2.17/ea)
1000
$1,990.00 (1.99/ea)
Subtotal: $0.00 /
Slotted Flat Head Machine Screw Silicon Bronze - 1/4"-20 x 3"
SKU #5900-016-0092
Slotted Flat Head Machine Screw Silicon Bronze - 1/4"-20 x 3"
SKU #5900-016-0092
1
$3.09 (3.09/ea)
25
$74.50 (2.98/ea)
100
$217.00 (2.17/ea)
1000
$1,990.00 (1.99/ea)
Subtotal: $0.00 /
Slotted Flat Head Machine Screw Silicon Bronze - 1/4"-20 x 3-1/2"
SKU #5900-016-0102
Slotted Flat Head Machine Screw Silicon Bronze - 1/4"-20 x 3-1/2"
SKU #5900-016-0102
1
$4.32 (4.32/ea)
25
$103.75 (4.15/ea)
100
$195.00 (1.95/ea)
1000
$1,800.00 (1.8/ea)
Subtotal: $0.00 /
Slotted Flat Head Machine Screw Silicon Bronze - 1/4"-20 x 4"
SKU #5900-016-0112
Slotted Flat Head Machine Screw Silicon Bronze - 1/4"-20 x 4"
SKU #5900-016-0112
1
$4.13 (4.13/ea)
25
$99.00 (3.96/ea)
100
$205.00 (2.05/ea)
1000
$1,890.00 (1.89/ea)
Subtotal: $0.00 /

Frequently Used With

1
$3.19 (3.19/ea)
10
$28.40 (2.84/ea)
25
$63.75 (2.55/ea)
50
$114.50 (2.29/ea)
Subtotal: $0.00 /
1
NA
25
$10.25 (0.41/ea)
100
$28.00 (0.28/ea)
1000
$260.00 (0.26/ea)
Subtotal: $0.00 /

Product Specifications
ANSI
B18.6.3
Color
Bronze
Color May Vary
Color and sheen may vary
Corrosion Resistant
Yes
Countersink
82 Degree
Diameter
1/4"
Drive Style
Slotted
Head Diameter
Max 0.507 - Min 0.452
Head Style
Flat
Marine Grade
Yes
Material
Silicon Bronze
Overall Head Height
Max 0.153 - Min 0.131�
Product Type
Machine Screws
Standards Met
ANSI B18.6.3
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