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Phillips 4-40 Screws & Fasteners

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Screw Head = Phillips Thread Size = 4-40

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Part #

Screws & Fasteners 4-40X5/16", Phillips Pan Head, 18-8 Stainless Steel with Fluoro-Silicone O-Ring, Seal Screw

R4-40X5/16 2615
APM HEXSEAL
1: $1.35
6,150In Stock

Mfr. Part No.
R4-40X5/16 2615

Mouser Part No
608-R4-40X5/162615

APM HEXSEAL

Screws & Fasteners 4-40X5/16", Phillips Pan Head, 18-8 Stainless Steel with Fluoro-Silicone O-Ring, Seal Screw

Learn More

Datasheet

6,150In Stock

$1.35

$1.06

$0.964

$0.853

View

Min.: 1
Mult.: 1

Screws

Self Sealing

4-40

5/16 in

Stainless Steel

Passivated

Phillips

Screws & Fasteners

SFR4-40 x 3/8 2701
APM HEXSEAL
1: $0.993
5,027In Stock

Mfr. Part No.
SFR4-40 x 3/8 2701

Mouser Part No
608-SFR4-40X3-82701

APM HEXSEAL

Screws & Fasteners

5,027In Stock

$0.993

$0.77

$0.74

$0.575

$0.548

Min.: 1
Mult.: 1

Screws

Self Sealing

4-40

3/8 in

Stainless Steel

Phillips

Screws & Fasteners SEELSKREW FH REC 4-40 THD 5/16

SFR4-40X5/16 2701
APM HEXSEAL
1: $1.20
4,245In Stock

Mfr. Part No.
SFR4-40X5/16 2701

Mouser Part No
608-SFR440X5162701

APM HEXSEAL

Screws & Fasteners SEELSKREW FH REC 4-40 THD 5/16

Learn More

4,245In Stock

$1.20

$0.918

$0.836

$0.737

View

Min.: 1
Mult.: 1

Screws

Self Sealing

4-40

5/16 in

Stainless Steel

Phillips

Screws & Fasteners

SFR4-40 x 3/8 2615
APM HEXSEAL
1: $1.47
264In Stock
300On Order

Mfr. Part No.
SFR4-40 x 3/8 2615

Mouser Part No
608-SFR4-40X382615

APM HEXSEAL

Screws & Fasteners

264In Stock

300On Order

$1.47

$1.15

$1.05

$0.93

View

Min.: 1
Mult.: 1

Screws

Self Sealing

4-40

3/8 in

Stainless Steel

Phillips

Screws & Fasteners 4-40X9/16", Phillips Pan Head, 18-8 Stainless Steel with Silicone O-Ring, Seal Screw

R4-40X9/16 2701
APM HEXSEAL
1: $1.33
3,360In Stock

Mfr. Part No.
R4-40X9/16 2701

Mouser Part No
608-R4-40X9/16

APM HEXSEAL

Screws & Fasteners 4-40X9/16", Phillips Pan Head, 18-8 Stainless Steel with Silicone O-Ring, Seal Screw

Learn More

Datasheet

3,360In Stock

$1.33

$1.03

$0.855

$0.80

View

Min.: 1
Mult.: 1

Screws

Self Sealing

4-40

9/16 in

Stainless Steel

Passivated

Phillips

Screws & Fasteners 4-40 X 1/4 SCREW

9900
Keystone Electronics
1: $0.15
95,267In Stock
79,100Expected 7/9/2026

Mfr. Part No.
9900

Mouser Part No
534-9900

Keystone Electronics

Screws & Fasteners 4-40 X 1/4 SCREW

Datasheet

95,267In Stock

79,100Expected 7/9/2026

$0.15

$0.114

$0.102

$0.086

View

Min.: 1
Mult.: 1

Screws

Screw

4-40

6.4 mm

Stainless Steel

Phillips

Screws & Fasteners .375 4-40 MOUNT SCR

9901
Keystone Electronics
1: $0.245
29,644In Stock

Mfr. Part No.
9901

Mouser Part No
534-9901

Keystone Electronics

Screws & Fasteners .375 4-40 MOUNT SCR

Datasheet

29,644In Stock

$0.245

$0.155

$0.118

$0.105

View

Min.: 1
Mult.: 1

Screws

Pan Head

4-40

0.375 in

Stainless Steel

Phillips

Screws & Fasteners .50 4-40 MOUNT SCR

9902
Keystone Electronics
1: $0.19
10,857In Stock

Mfr. Part No.
9902

Mouser Part No
534-9902

Keystone Electronics

Screws & Fasteners .50 4-40 MOUNT SCR

Datasheet

10,857In Stock

$0.19

$0.144

$0.128

$0.107

View

Min.: 1
Mult.: 1

Screws

Screw

4-40

0.5 in

Stainless Steel

Phillips

Screws & Fasteners 4-40X1", Phillips Pan Head, 18-8 Stainless Steel with Silicone O-Ring, Seal Screw

R4-40X1 2701
APM HEXSEAL
1: $1.16
480In Stock

Mfr. Part No.
R4-40X1 2701

Mouser Part No
608-R4-40X1

APM HEXSEAL

Screws & Fasteners 4-40X1", Phillips Pan Head, 18-8 Stainless Steel with Silicone O-Ring, Seal Screw

Learn More

Datasheet

480In Stock

$1.16

$0.982

$0.921

$0.866

View

Min.: 1
Mult.: 1

Screws

Self Sealing

4-40

1 in

Stainless Steel

Passivated

Phillips

Screws & Fasteners 4-40X3/4", Phillips Pan Head, 18-8 Stainless Steel with Silicone O-Ring, Seal Screw

R4-40X3/4 2701
APM HEXSEAL
1: $1.05
203In Stock

Mfr. Part No.
R4-40X3/4 2701

Mouser Part No
608-R4-40X3/4

APM HEXSEAL

Screws & Fasteners 4-40X3/4", Phillips Pan Head, 18-8 Stainless Steel with Silicone O-Ring, Seal Screw

Datasheet

203In Stock

$1.05

$0.88

$0.823

$0.774

View

Min.: 1
Mult.: 1

Screws

Self Sealing

4-40

3/4 in

Stainless Steel

Passivated

Phillips

Screws & Fasteners 4-40X3/8", Phillips Pan Head, 18-8 Stainless Steel with Silicone O-Ring, Seal Screw

R4-40X3/8 2701
APM HEXSEAL
1: $0.802
3,212In Stock

Mfr. Part No.
R4-40X3/8 2701

Mouser Part No
608-R4-40X3/8

APM HEXSEAL

Screws & Fasteners 4-40X3/8", Phillips Pan Head, 18-8 Stainless Steel with Silicone O-Ring, Seal Screw

Learn More

Datasheet

3,212In Stock

$0.802

$0.675

$0.631

$0.594

View

Min.: 1
Mult.: 1

Screws

Self Sealing

4-40

3/8 in

Stainless Steel

Passivated

Phillips

Screws & Fasteners 4-40X5/16", Phillips Pan Head, 18-8 Stainless Steel with Silicone O-Ring, Seal Screw

R4-40X5/16 2701
APM HEXSEAL
1: $0.762
717In Stock

Mfr. Part No.
R4-40X5/16 2701

Mouser Part No
608-R4-40X5/16

APM HEXSEAL

Screws & Fasteners 4-40X5/16", Phillips Pan Head, 18-8 Stainless Steel with Silicone O-Ring, Seal Screw

Datasheet

717In Stock

$0.762

$0.646

$0.604

$0.568

View

Min.: 1
Mult.: 1

Screws

Self Sealing

4-40

5/16 in

Stainless Steel

Passivated

Phillips

Screws & Fasteners 4-40X5/8", Phillips Pan Head, 18-8 Stainless Steel with Silicone O-Ring, Seal Screw

R4-40X5/8 2701
APM HEXSEAL
1: $0.83
471In Stock

Mfr. Part No.
R4-40X5/8 2701

Mouser Part No
608-R4-40X5/8

APM HEXSEAL

Screws & Fasteners 4-40X5/8", Phillips Pan Head, 18-8 Stainless Steel with Silicone O-Ring, Seal Screw

Learn More

Datasheet

471In Stock

$0.83

$0.704

$0.658

$0.62

View

Min.: 1
Mult.: 1

Screws

Self Sealing

4-40

5/8 in

Stainless Steel

Passivated

Phillips

Screws & Fasteners 4-40X7/16", Phillips Pan Head, 18-8 Stainless Steel with Silicone O-Ring, Seal Screw

R4-40X7/16 2701
APM HEXSEAL
1: $0.762
328In Stock
500Expected 7/9/2026

Mfr. Part No.
R4-40X7/16 2701

Mouser Part No
608-R4-40X7/16

APM HEXSEAL

Screws & Fasteners 4-40X7/16", Phillips Pan Head, 18-8 Stainless Steel with Silicone O-Ring, Seal Screw

Learn More

Datasheet

328In Stock

500Expected 7/9/2026

$0.762

$0.646

$0.604

$0.568

View

Min.: 1
Mult.: 1

Screws

Self Sealing

4-40

7/16 in

Stainless Steel

Passivated

Phillips

Screws & Fasteners 4-40X7/8", Phillips Pan Head, 18-8 Stainless Steel with Silicone O-Ring, Seal Screw

R4-40X7/8 2701
APM HEXSEAL
1: $0.898
293In Stock

Mfr. Part No.
R4-40X7/8 2701

Mouser Part No
608-R4-40X7/8

APM HEXSEAL

Screws & Fasteners 4-40X7/8", Phillips Pan Head, 18-8 Stainless Steel with Silicone O-Ring, Seal Screw

Learn More

Datasheet

293In Stock

$0.898

$0.762

$0.713

$0.67

View

Min.: 1
Mult.: 1

Screws

Self Sealing

4-40

7/8 in

Stainless Steel

Passivated

Phillips

Screws & Fasteners SEELSKREW FH REC 4-40 THD 1/4" NBR

SFR4-40 X 1/4 2701
APM HEXSEAL
1: $0.952
2,460In Stock

Mfr. Part No.
SFR4-40 X 1/4 2701

Mouser Part No
608-SFR4-40X1/42701

APM HEXSEAL

Screws & Fasteners SEELSKREW FH REC 4-40 THD 1/4" NBR

2,460In Stock

$0.952

$0.734

$0.669

$0.589

View

Min.: 1
Mult.: 1

Screws

Self Sealing

4-40

1/4 in

Stainless Steel

Phillips

Screws & Fasteners SEELSKREW STD PH REC 4-40 THD 3/16"LG

R4-40X3/16 2701
APM HEXSEAL
1: $1.20
10,970Expected 8/9/2026

Mfr. Part No.
R4-40X3/16 2701

Mouser Part No
608-R4-40X3/162701

APM HEXSEAL

Screws & Fasteners SEELSKREW STD PH REC 4-40 THD 3/16"LG

10,970Expected 8/9/2026

$1.20

$0.947

$0.802

$0.737

View

Min.: 1
Mult.: 1

Screws

Self Sealing

4-40

3/16 in

Stainless Steel

Phillips

Phillips 4-40 Screws & Fasteners

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