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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: 151

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Part #

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: $0.68
350In 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

350In Stock

$0.68

$0.513

$0.435

$0.397

View

Min.: 1
Mult.: 1

Screws & Fasteners

S/6-32X1/4 2701
APM HEXSEAL
1: $0.55
190In Stock

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

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

Screws & Fasteners

190In Stock

$0.55

$0.392

$0.314

$0.283

View

Min.: 1
Mult.: 1

Screws & Fasteners

SFR4-40 x 3/8 2701
APM HEXSEAL
1: $0.611
1,990In Stock

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

Mouser Part No
608-SFR4-40X3-82701

Screws & Fasteners

1,990In Stock

$0.611

$0.544

$0.52

$0.468

View

Min.: 1
Mult.: 1

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

SM3X12MM-2701
APM HEXSEAL
1: $0.67
283In Stock
400Expected 2026/02/27

Mfr. Part No.
SM3X12MM-2701

Mouser Part No
608-SM3X12MM-2701

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

283In Stock

400Expected 2026/02/27

$0.67

$0.387

$0.365

Quote

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: $0.87
487In 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

487In Stock

$0.87

$0.661

$0.561

$0.504

View

Min.: 1
Mult.: 1

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

SFR4-40X5/16 2701
APM HEXSEAL
1: $0.60
1,988In Stock

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

Mouser Part No
608-SFR440X5162701

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

1,988In Stock

$0.60

$0.458

$0.39

$0.349

View

Min.: 1
Mult.: 1

Screws & Fasteners

R8-32x3/16 2701
APM HEXSEAL
1: $0.68
100In Stock
New At Mouser

Mfr. Part No.
R8-32x3/16 2701

Mouser Part No
608-R8-32X3/162701

New At Mouser

Screws & Fasteners

100In Stock

$0.68

$0.514

$0.456

$0.399

View

Min.: 1
Mult.: 1

Screws & Fasteners

SFR4-40 x 3/8 2615
APM HEXSEAL
1: $0.78
177In Stock

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

Mouser Part No
608-SFR4-40X382615

Screws & Fasteners

177In Stock

$0.78

$0.587

$0.522

$0.457

View

Min.: 1
Mult.: 1

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

SM3X8MM-2701
APM HEXSEAL
1: $0.74
239In Stock

Mfr. Part No.
SM3X8MM-2701

Mouser Part No
608-SM3X8MM-2701

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

239In Stock

$0.74

$0.363

$0.323

$0.321

View

Min.: 1
Mult.: 1

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: $1.34
144In 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

144In Stock

$1.34

$0.749

$0.582

$0.58

Min.: 1
Mult.: 1

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

R4-40X3/16 2701
APM HEXSEAL
1: $0.60
831In Stock

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

Mouser Part No
608-R4-40X3/162701

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

831In Stock

$0.60

$0.458

$0.39

$0.349

View

Min.: 1
Mult.: 1

Screws & Fasteners SEELSKREW MT PH SLOT M3 X .5 THD 20MM

SM3X20MM-2701
APM HEXSEAL
1: $0.75
550In Stock

Mfr. Part No.
SM3X20MM-2701

Mouser Part No
608-SM3X20MM-2701

Screws & Fasteners SEELSKREW MT PH SLOT M3 X .5 THD 20MM

550In Stock

$0.75

$0.558

$0.473

$0.433

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: $0.87
125In 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

125In Stock

$0.87

$0.661

$0.561

$0.504

View

Min.: 1
Mult.: 1

Screws & Fasteners METRIC PAN HEAD WITH SLOTTED DRIVE 6MM

SM3X6MM-2701
APM HEXSEAL
1: $0.63
1,443In Stock

Mfr. Part No.
SM3X6MM-2701

Mouser Part No
608-SM3X6MM-2701

Screws & Fasteners METRIC PAN HEAD WITH SLOTTED DRIVE 6MM

1,443In Stock

$0.63

$0.454

$0.363

$0.327

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: $0.59
513In 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

513In Stock

$0.59

$0.413

$0.33

$0.297

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: $2.09
47In 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

47In Stock

$2.09

$1.76

$1.70

$1.69

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: $0.961
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

$0.961

$0.733

$0.622

$0.559

View

Min.: 1
Mult.: 1

Screws & Fasteners M2.5X6MM, Phillips Pan Head, 18-8 Stainless Steel with Silicone O-Ring, Seal Screw

RM2.5x6MM 2701
APM HEXSEAL
1: $0.72
2,017In Stock

Mfr. Part No.
RM2.5x6MM 2701

Mouser Part No
608-RM2.5X6MM2701

Screws & Fasteners M2.5X6MM, Phillips Pan Head, 18-8 Stainless Steel with Silicone O-Ring, Seal Screw

2,017In Stock

$0.72

$0.55

$0.468

$0.419

View

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: $0.861
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

$0.861

$0.654

$0.555

$0.498

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: $1.11
41In 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

41In Stock

$1.11

$0.843

$0.716

$0.642

View

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: $0.87
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

$0.87

$0.661

$0.561

$0.504

View

Min.: 1
Mult.: 1

Screws & Fasteners 2.5 x 10mm SeelSkrew

RM2.5X10MM 2701
APM HEXSEAL
1: $0.811
297In Stock

Mfr. Part No.
RM2.5X10MM 2701

Mouser Part No
608-RM2.5X10MM2701

Screws & Fasteners 2.5 x 10mm SeelSkrew

297In Stock

$0.811

$0.611

$0.543

$0.476

View

Min.: 1
Mult.: 1

Screws & Fasteners 2.5 x 12mm SeelSkrew

RM2.5X12MM 2701
APM HEXSEAL
1: $1.19
87In Stock

Mfr. Part No.
RM2.5X12MM 2701

Mouser Part No
608-RM2.5X12MM2701

Screws & Fasteners 2.5 x 12mm SeelSkrew

87In Stock

$1.19

$0.898

$0.798

$0.698

View

Min.: 1
Mult.: 1

Screws & Fasteners 1" SS 8-32 PHILIPS SCREW

SFR8-32x1-2701
APM HEXSEAL
1: $0.72
45In Stock

Mfr. Part No.
SFR8-32x1-2701

Mouser Part No
608-SFR832X12701

Screws & Fasteners 1" SS 8-32 PHILIPS SCREW

45In Stock

$0.72

$0.55

$0.468

$0.419

View

Min.: 1
Mult.: 1

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

R4-40X1/2 2615
APM HEXSEAL
1: $0.87
72In Stock

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

Mouser Part No
608-R440X1/22615

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

72In Stock

$0.87

$0.661

$0.561

View

Min.: 1
Mult.: 1