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Self-Sealing Hardware

APM HEXSEAL Self-Sealing Hardware features fasteners and washers, including SEELSKREWS®, SEELBOLTS®, SEELNUTS®, and SEELOC® WASHERS. This reusable hardware offers positive sealing under pressure or vacuum and resists loosening due to vibration. Optional O-ring seal materials assure performance with a wide variety of gasses and liquids. APM HEXSEAL Self-Sealing Hardware is easy to install, compatible with all surface finishes, and tested and listed to UL Standard 50, Types 1-13.

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Types of Electromechanical

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Results: 184

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Part #

Screws & Fasteners 2-562X3/16", Phillips Pan Head, 18-8 Stainless Steel with Silicone O-Ring, Seal Screw

R2-56X3/16 2701
APM HEXSEAL
1: $1.19
526In Stock

Mfr. Part No.
R2-56X3/16 2701

Mouser Part No
608-R2-56X3/162701

Screws & Fasteners 2-562X3/16", Phillips Pan Head, 18-8 Stainless Steel with Silicone O-Ring, Seal Screw

526In Stock

$1.19

$0.933

$0.851

$0.754

View

Min.: 1
Mult.: 1

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: $0.98
3,360In Stock

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

Mouser Part No
608-R4-40X9/16

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

Datasheet

3,360In Stock

$0.98

$0.756

$0.69

$0.607

View

Min.: 1
Mult.: 1

Screws & Fasteners

S/6-32X1/4 2701
APM HEXSEAL
1: $0.74
20In Stock
200Expected 2026/07/15

Mfr. Part No.
S/6-32X1/4 2701

Mouser Part No
608-S/6-32X1/4

Screws & Fasteners

20In Stock

200Expected 2026/07/15

$0.74

$0.528

$0.481

$0.422

View

Min.: 1
Mult.: 1

Screws & Fasteners

SFR4-40 x 3/8 2701
APM HEXSEAL
1: $0.73
812In Stock
2,500Expected 2026/07/10

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

Mouser Part No
608-SFR4-40X3-82701

Screws & Fasteners

812In Stock

2,500Expected 2026/07/10

$0.73

$0.566

$0.544

$0.423

$0.404

Min.: 1
Mult.: 1

Screws & Fasteners Screws and Fasteners

SFR8-32x1/2-2701
APM HEXSEAL
1: $1.00
308In Stock

Mfr. Part No.
SFR8-32x1/2-2701

Mouser Part No
608-SFR832X1/22701

Screws & Fasteners Screws and Fasteners

308In Stock

$1.00

$0.801

$0.68

$0.627

View

Min.: 1
Mult.: 1

Screws & Fasteners SEELSKREW MT PH SLOT M3 X .5 THD 12MM

SM3X12MM-2701
APM HEXSEAL
1: $0.80
647In Stock
1,000Expected 2026/07/22

Mfr. Part No.
SM3X12MM-2701

Mouser Part No
608-SM3X12MM-2701

Screws & Fasteners SEELSKREW MT PH SLOT M3 X .5 THD 12MM

647In Stock

1,000Expected 2026/07/22

$0.80

$0.62

$0.566

$0.498

View

Min.: 1
Mult.: 1

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: $0.99
2,395In Stock
3,900Expected 2026/07/20

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

Mouser Part No
608-R4-40X5/162615

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

Datasheet

2,395In Stock

3,900Expected 2026/07/20

$0.99

$0.776

$0.709

$0.627

View

Min.: 1
Mult.: 1

Screws & Fasteners 2-562X3/8", Phillips Pan Head, 18-8 Stainless Steel with Silicone O-Ring, Seal Screw

R2-56X3/8 2701
APM HEXSEAL
1: $1.19
467In Stock

Mfr. Part No.
R2-56X3/8 2701

Mouser Part No
608-R2-56X3/8

Screws & Fasteners 2-562X3/8", Phillips Pan Head, 18-8 Stainless Steel with Silicone O-Ring, Seal Screw

Datasheet

467In Stock

$1.19

$0.962

$0.816

$0.754

View

Min.: 1
Mult.: 1

Screws & Fasteners

SFR832X3/8 2701
APM HEXSEAL
1: $0.90
100In Stock

Mfr. Part No.
SFR832X3/8 2701

Mouser Part No
608-SFR832X3/8

Screws & Fasteners

100In Stock

$0.90

$0.701

$0.588

$0.575

View

Min.: 1
Mult.: 1

Screws & Fasteners 2-562X5/16", Phillips Pan Head, 18-8 Stainless Steel with Silicone O-Ring, Seal Screw

R2-56X5/16 2701
APM HEXSEAL
1: $1.19
188In Stock

Mfr. Part No.
R2-56X5/16 2701

Mouser Part No
608-R2-56X5/16

Screws & Fasteners 2-562X5/16", Phillips Pan Head, 18-8 Stainless Steel with Silicone O-Ring, Seal Screw

Datasheet

188In Stock

$1.19

$0.933

$0.851

$0.754

View

Min.: 1
Mult.: 1

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

SFR4-40X5/16 2701
APM HEXSEAL
1: $0.88
2,105In Stock
3,650Expected 2026/07/06

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

Mouser Part No
608-SFR440X5162701

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

2,105In Stock

3,650Expected 2026/07/06

$0.88

$0.676

$0.615

$0.542

View

Min.: 1
Mult.: 1

Screws & Fasteners

SFR4-40 x 3/8 2615
APM HEXSEAL
1: $1.08
189In Stock

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

Mouser Part No
608-SFR4-40X382615

Screws & Fasteners

189In Stock

$1.08

$0.847

$0.773

$0.684

View

Min.: 1
Mult.: 1

Screws & Fasteners SEELSKREW MT PH SLOT M3 X .5 THD 8MM

SM3X8MM-2701
APM HEXSEAL
1: $0.761
209In Stock

Mfr. Part No.
SM3X8MM-2701

Mouser Part No
608-SM3X8MM-2701

Screws & Fasteners SEELSKREW MT PH SLOT M3 X .5 THD 8MM

209In Stock

$0.761

$0.593

$0.541

$0.477

View

Min.: 1
Mult.: 1

Screws & Fasteners 10-24X7/8", Phillips Pan Head, 18-8 Stainless Steel with Silicone O-Ring, Seal Screw

R10-24X7/8 2701
APM HEXSEAL
1: $1.49
27In Stock

Mfr. Part No.
R10-24X7/8 2701

Mouser Part No
608-R10-24X7/8

Screws & Fasteners 10-24X7/8", Phillips Pan Head, 18-8 Stainless Steel with Silicone O-Ring, Seal Screw

Datasheet

27In Stock

$1.49

$1.20

$1.01

$0.94

$0.659

Min.: 1
Mult.: 1

Screws & Fasteners 2-562X1", Phillips Pan Head, 18-8 Stainless Steel with Silicone O-Ring, Seal Screw

R2-56X1 2701
APM HEXSEAL
1: $1.19
26In Stock

Mfr. Part No.
R2-56X1 2701

Mouser Part No
608-R2-56X1

Screws & Fasteners 2-562X1", Phillips Pan Head, 18-8 Stainless Steel with Silicone O-Ring, Seal Screw

26In Stock

$1.19

$0.933

$0.715

$0.706

View

Min.: 1
Mult.: 1

Screws & Fasteners SEELSKREW FLATHEAD W/SILICON RBR O-RING

SFR8-32X3/4-2701
APM HEXSEAL
1: $1.12
94In Stock

Mfr. Part No.
SFR8-32X3/4-2701

Mouser Part No
608-SFR8-32X3/4-2701

Screws & Fasteners SEELSKREW FLATHEAD W/SILICON RBR O-RING

94In Stock

$1.12

$0.879

$0.804

$0.679

View

Min.: 1
Mult.: 1

Screws & Fasteners 1/4-20X1" 18-8 Stainless Steel Self-Seal Silicone O-Ring, Hex Cap Screw

ST1/4-20X1 2701
APM HEXSEAL
1: $3.27
27In Stock

Mfr. Part No.
ST1/4-20X1 2701

Mouser Part No
608-ST1/4-20X1

Screws & Fasteners 1/4-20X1" 18-8 Stainless Steel Self-Seal Silicone O-Ring, Hex Cap Screw

Datasheet

27In Stock

$3.27

$2.61

$2.40

$2.04

View

Min.: 1
Mult.: 1

Screws & Fasteners 2-562X3/4", Phillips Pan Head, 18-8 Stainless Steel with Silicone O-Ring, Seal Screw

R2-56X3/4 2701
APM HEXSEAL
1: $1.19
301In Stock

Mfr. Part No.
R2-56X3/4 2701

Mouser Part No
608-R2-56X3/4

Screws & Fasteners 2-562X3/4", Phillips Pan Head, 18-8 Stainless Steel with Silicone O-Ring, Seal Screw

301In Stock

$1.19

$0.933

$0.851

$0.754

View

Min.: 1
Mult.: 1

Screws & Fasteners 10-24X5/8", Phillips Pan Head, 18-8 Stainless Steel with Silicone O-Ring, Seal Screw

R10-24X5/8 2701
APM HEXSEAL
1: $1.29
40In Stock

Mfr. Part No.
R10-24X5/8 2701

Mouser Part No
608-R10-24X5/8

Screws & Fasteners 10-24X5/8", Phillips Pan Head, 18-8 Stainless Steel with Silicone O-Ring, Seal Screw

40In Stock

$1.29

$1.04

$0.883

$0.818

$0.562

Min.: 1
Mult.: 1

Screws & Fasteners 10-24X9/16", Phillips Pan Head, 18-8 Stainless Steel with Silicone O-Ring, Seal Screw

R10-24X9/16 2701
APM HEXSEAL
1: $1.17
12In Stock

Mfr. Part No.
R10-24X9/16 2701

Mouser Part No
608-R10-24X9/16

Screws & Fasteners 10-24X9/16", Phillips Pan Head, 18-8 Stainless Steel with Silicone O-Ring, Seal Screw

Datasheet

12In Stock

$1.17

$0.954

$0.811

$0.747

View

Min.: 1
Mult.: 1

Screws & Fasteners Screw

SFR4-40X1/2-7601
APM HEXSEAL
1: $0.87
142In Stock
500Expected 2026/07/08

Mfr. Part No.
SFR4-40X1/2-7601

Mouser Part No
608-SFR4-40X1/2-7601

Screws & Fasteners Screw

142In Stock

500Expected 2026/07/08

$0.87

$0.675

$0.615

$0.542

View

Min.: 1
Mult.: 1

Screws & Fasteners 2.5 x 12mm SeelSkrew

RM2.5X12MM 2701
APM HEXSEAL
1: $1.56
25In Stock

Mfr. Part No.
RM2.5X12MM 2701

Mouser Part No
608-RM2.5X12MM2701

Screws & Fasteners 2.5 x 12mm SeelSkrew

25In Stock

$1.56

$1.22

$1.12

$1.00

View

Min.: 1
Mult.: 1

Screws & Fasteners 8-32X1/4", Slotted Pan Head, 18-8 Stainless Steel with Silicone O-Ring, Seal Screw

S8-32X1/4 2701
APM HEXSEAL
1: $0.70
471In Stock

Mfr. Part No.
S8-32X1/4 2701

Mouser Part No
608-S8-32X1/42701

Screws & Fasteners 8-32X1/4", Slotted Pan Head, 18-8 Stainless Steel with Silicone O-Ring, Seal Screw

471In Stock

$0.70

$0.54

$0.492

$0.433

View

Min.: 1
Mult.: 1

Screws & Fasteners 1" SS 8-32 PHILIPS SCREW

SFR8-32x1-2701
APM HEXSEAL
1: $1.00
25In Stock

Mfr. Part No.
SFR8-32x1-2701

Mouser Part No
608-SFR832X12701

Screws & Fasteners 1" SS 8-32 PHILIPS SCREW

25In Stock

$1.00

$0.777

$0.728

$0.683

View

Min.: 1
Mult.: 1

Screws & Fasteners SeelSkrew Screw 1/2" Thread Size 4-40

R4-40X1/2 2615
APM HEXSEAL
1: $1.19
250In Stock

Mfr. Part No.
R4-40X1/2 2615

Mouser Part No
608-R440X1/22615

Screws & Fasteners SeelSkrew Screw 1/2" Thread Size 4-40

250In Stock

$1.19

$0.962

$0.816

$0.754

View

Min.: 1
Mult.: 1