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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: 153

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Part #

Screws & Fasteners Screw

SFR4-40X1/2-7601
APM HEXSEAL
1: £0.653
32In Stock
600Expected 18/08/2026

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

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

Screws & Fasteners Screw

32In Stock

600Expected 18/08/2026

£0.653

£0.506

£0.462

£0.407

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: £0.526
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

£0.526

£0.405

£0.369

£0.325

View

Min.: 1
Mult.: 1

Screws & Fasteners 1" SS 8-32 PHILIPS SCREW

SFR8-32x1-2701
APM HEXSEAL
1: £0.751
25In Stock

Mfr. Part No.
SFR8-32x1-2701

Mouser Part No
608-SFR832X12701

Screws & Fasteners 1" SS 8-32 PHILIPS SCREW

25In Stock

£0.751

£0.583

£0.546

£0.512

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: £2.45
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

£2.45

£1.96

£1.80

£1.53

View

Min.: 1
Mult.: 1

Switch Fixings Panel Bushing Seal Bonded Silicone Rub

60225
APM HEXSEAL
1: £1.47
923In Stock
2,430Expected 04/08/2026

Mfr. Part No.
60225

Mouser Part No
608-60225

Switch Fixings Panel Bushing Seal Bonded Silicone Rub

Datasheet

923In Stock

2,430Expected 04/08/2026

£1.47

£1.33

£1.27

£1.24

£1.14

Min.: 1
Mult.: 1

Screws & Fasteners 8-32X3/8", Phillips Pan Head, 18-8 Stainless Steel with Silicone O-Ring, Seal Screw

R8-32X3/8 2701
APM HEXSEAL
1: £0.473
10,429In Stock

Mfr. Part No.
R8-32X3/8 2701

Mouser Part No
608-R8-32X3/8

Screws & Fasteners 8-32X3/8", Phillips Pan Head, 18-8 Stainless Steel with Silicone O-Ring, Seal Screw

Datasheet

10,429In Stock

£0.473

£0.443

£0.378

£0.356

View

Min.: 1
Mult.: 1

Screws & Fasteners SCR PAN STL ST 3X12 PHIL SELF SEAL

RM3X12MM-2701
APM HEXSEAL
1: £0.421
6,629In Stock

Mfr. Part No.
RM3X12MM-2701

Mouser Part No
608-RM3X12MM2701

Screws & Fasteners SCR PAN STL ST 3X12 PHIL SELF SEAL

Datasheet

6,629In Stock

£0.421

£0.39

£0.333

£0.313

View

Min.: 1
Mult.: 1

Screws & Fasteners SEELSKREW MT PH REC M3 X 0.5 THD 8MM LG

RM3X8MM-2701
APM HEXSEAL
1: £0.421
26,884In Stock

Mfr. Part No.
RM3X8MM-2701

Mouser Part No
608-RM3X8MM

Screws & Fasteners SEELSKREW MT PH REC M3 X 0.5 THD 8MM LG

Datasheet

26,884In Stock

£0.421

£0.39

£0.333

£0.313

View

Min.: 1
Mult.: 1

Screws & Fasteners SEELNUTS 10-32 THREAD

10-32 AJ 6
APM HEXSEAL
1: £3.20
200Expected 04/08/2026

Mfr. Part No.
10-32 AJ 6

Mouser Part No
608-10-32AJ6

Screws & Fasteners SEELNUTS 10-32 THREAD

200Expected 04/08/2026

£3.20

£2.55

£2.34

£2.06

View

Min.: 1
Mult.: 1

Screws & Fasteners SEELNUTS 6-32 THREAD

6-32 AJ 6
APM HEXSEAL
1: £2.52
388In Stock

Mfr. Part No.
6-32 AJ 6

Mouser Part No
608-6-32AJ6

Screws & Fasteners SEELNUTS 6-32 THREAD

388In Stock

£2.52

£2.37

£2.07

£1.96

View

Min.: 1
Mult.: 1

Screws & Fasteners 1/4"-20X3/4", Phillips Pan Head, 18-8 Stainless Steel with Silicone O-Ring, Seal Screw

R1/4-20X3/4 2701
APM HEXSEAL
1: £1.00
175In Stock

Mfr. Part No.
R1/4-20X3/4 2701

Mouser Part No
608-R1/4-20X3/4

Screws & Fasteners 1/4"-20X3/4", Phillips Pan Head, 18-8 Stainless Steel with Silicone O-Ring, Seal Screw

175In Stock

£1.00

£0.863

£0.811

£0.759

View

Min.: 1
Mult.: 1

Screws & Fasteners 1/4"-20X3/8", Phillips Pan Head, 18-8 Stainless Steel with Silicone O-Ring, Seal Screw

R1/4-20X3/8 2701
APM HEXSEAL
1: £0.849
72In Stock

Mfr. Part No.
R1/4-20X3/8 2701

Mouser Part No
608-R1/4-20X3/8

Screws & Fasteners 1/4"-20X3/8", Phillips Pan Head, 18-8 Stainless Steel with Silicone O-Ring, Seal Screw

Datasheet

72In Stock

£0.849

£0.788

£0.684

£0.645

View

Min.: 1
Mult.: 1

Screws & Fasteners 10-32X1/2", Phillips Pan Head, 18-8 Stainless Steel with Silicone O-Ring, Seal Screw

R10-32X1/2 2701
APM HEXSEAL
1: £0.586
447In Stock

Mfr. Part No.
R10-32X1/2 2701

Mouser Part No
608-R10-32X1/2

Screws & Fasteners 10-32X1/2", Phillips Pan Head, 18-8 Stainless Steel with Silicone O-Ring, Seal Screw

Datasheet

447In Stock

£0.586

£0.545

£0.468

£0.44

View

Min.: 1
Mult.: 1

Screws & Fasteners 10-32X1", Phillips Pan Head, 18-8 Stainless Steel with Silicone O-Ring, Seal Screw

R10-32X3/8 2701
APM HEXSEAL
1: £0.503
400In Stock

Mfr. Part No.
R10-32X3/8 2701

Mouser Part No
608-R10-32X3/8

Screws & Fasteners 10-32X1", Phillips Pan Head, 18-8 Stainless Steel with Silicone O-Ring, Seal Screw

Datasheet

400In Stock

£0.503

£0.426

£0.40

£0.376

View

Min.: 1
Mult.: 1

Screws & Fasteners 10-32X5/8", Phillips Pan Head, 18-8 Stainless Steel with Silicone O-Ring, Seal Screw

R10-32X5/8 2701
APM HEXSEAL
1: £0.638
225In Stock

Mfr. Part No.
R10-32X5/8 2701

Mouser Part No
608-R10-32X5/8

Screws & Fasteners 10-32X5/8", Phillips Pan Head, 18-8 Stainless Steel with Silicone O-Ring, Seal Screw

Datasheet

225In Stock

£0.638

£0.545

£0.512

£0.482

View

Min.: 1
Mult.: 1

Screws & Fasteners 2-562X1/4", Phillips Pan Head, 18-8 Stainless Steel with Silicone O-Ring, Seal Screw

R2-56X1/4 2701
APM HEXSEAL
1: £0.89
130In Stock

Mfr. Part No.
R2-56X1/4 2701

Mouser Part No
608-R2-56X1/4

Screws & Fasteners 2-562X1/4", Phillips Pan Head, 18-8 Stainless Steel with Silicone O-Ring, Seal Screw

Datasheet

130In Stock

£0.89

£0.721

£0.612

£0.566

£0.41

Min.: 1
Mult.: 1

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

R4-40X1 2701
APM HEXSEAL
1: £0.638
200In Stock
300Expected 10/08/2026

Mfr. Part No.
R4-40X1 2701

Mouser Part No
608-R4-40X1

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

Datasheet

200In Stock

300Expected 10/08/2026

£0.638

£0.542

£0.508

£0.478

View

Min.: 1
Mult.: 1

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: £0.578
203In Stock

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

Mouser Part No
608-R4-40X3/4

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

Datasheet

203In Stock

£0.578

£0.485

£0.454

£0.427

View

Min.: 1
Mult.: 1

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: £0.443
3,317In Stock

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

Mouser Part No
608-R4-40X3/8

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

Datasheet

3,317In Stock

£0.443

£0.373

£0.348

£0.328

View

Min.: 1
Mult.: 1

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: £0.421
717In Stock

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

Mouser Part No
608-R4-40X5/16

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

Datasheet

717In Stock

£0.421

£0.357

£0.333

£0.313

View

Min.: 1
Mult.: 1

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: £0.458
473In Stock

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

Mouser Part No
608-R4-40X5/8

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

Datasheet

473In Stock

£0.458

£0.388

£0.363

£0.342

View

Min.: 1
Mult.: 1

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: £0.421
650In Stock

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

Mouser Part No
608-R4-40X7/16

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

Datasheet

650In Stock

£0.421

£0.357

£0.333

£0.313

View

Min.: 1
Mult.: 1

Screws & Fasteners 6-32X1", Phillips Pan Head, 18-8 Stainless Steel with Silicone O-Ring, Seal Screw

R6-32X1 2701
APM HEXSEAL
1: £0.661
306In Stock

Mfr. Part No.
R6-32X1 2701

Mouser Part No
608-R6-32X1

Screws & Fasteners 6-32X1", Phillips Pan Head, 18-8 Stainless Steel with Silicone O-Ring, Seal Screw

Datasheet

306In Stock

£0.661

£0.56

£0.526

£0.496

View

Min.: 1
Mult.: 1

Screws & Fasteners 6-32X1/2", Phillips Pan Head, 18-8 Stainless Steel with Silicone O-Ring, Seal Screw

R6-32X1/2 2701
APM HEXSEAL
1: £0.54
290In Stock
700Expected 04/08/2026

Mfr. Part No.
R6-32X1/2 2701

Mouser Part No
608-R6-32X1/2

Screws & Fasteners 6-32X1/2", Phillips Pan Head, 18-8 Stainless Steel with Silicone O-Ring, Seal Screw

Datasheet

290In Stock

700Expected 04/08/2026

£0.54

£0.51

£0.437

£0.41

View

Min.: 1
Mult.: 1

Screws & Fasteners 6-32X1/4", Phillips Pan Head, 18-8 Stainless Steel with Silicone O-Ring, Seal Screw

R6-32X1/4 2701
APM HEXSEAL
1: £0.518
2,610In Stock

Mfr. Part No.
R6-32X1/4 2701

Mouser Part No
608-R6-32X1/4

Screws & Fasteners 6-32X1/4", Phillips Pan Head, 18-8 Stainless Steel with Silicone O-Ring, Seal Screw

Datasheet

2,610In Stock

£0.518

£0.419

£0.387

£0.351

View

Min.: 1
Mult.: 1