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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: 152

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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: $1.71
376In Stock

Mfr. Part #
R2-56X3/16 2701

Mouser Part #
608-R2-56X3/162701

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

376In Stock

$1.71

$1.34

$1.23

$1.08

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: $1.43
6,175In Stock

Mfr. Part #
R4-40X5/16 2615

Mouser Part #
608-R4-40X5/162615

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

Datasheet

6,175In Stock

$1.43

$1.12

$1.02

$0.903

View

Min.: 1
Mult.: 1

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

SFR4-40X5/16 2701
APM HEXSEAL
1: $1.27
4,295In Stock

Mfr. Part #
SFR4-40X5/16 2701

Mouser Part #
608-SFR440X5162701

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

4,295In Stock

$1.27

$0.972

$0.886

$0.78

View

Min.: 1
Mult.: 1

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

SM3X20MM-2701
APM HEXSEAL
1: $1.48
438In Stock

Mfr. Part #
SM3X20MM-2701

Mouser Part #
608-SM3X20MM-2701

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

438In Stock

$1.48

$1.16

$0.899

$0.881

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: $1.71
60In Stock

Mfr. Part #
R2-56X5/16 2701

Mouser Part #
608-R2-56X5/16

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

Datasheet

60In Stock

$1.71

$1.34

$1.23

$1.08

View

Min.: 1
Mult.: 1

Screws & Fasteners METRIC PAN HEAD WITH SLOTTED DRIVE 6MM

SM3X6MM-2701
APM HEXSEAL
1: $1.09
1,618In Stock

Mfr. Part #
SM3X6MM-2701

Mouser Part #
608-SM3X6MM-2701

Screws & Fasteners METRIC PAN HEAD WITH SLOTTED DRIVE 6MM

1,618In Stock

$1.09

$0.854

$0.779

$0.687

View

Min.: 1
Mult.: 1

Screws & Fasteners SEELSKREW STD PH REC 1/4-20 THD 1" LG

R1/4-20X1
APM HEXSEAL
1: $3.31
25In Stock

Mfr. Part #
R1/4-20X1

Mouser Part #
608-R1/4-20X1

Screws & Fasteners SEELSKREW STD PH REC 1/4-20 THD 1" LG

25In Stock

$3.31

$2.64

$2.22

$2.07

View

Min.: 1
Mult.: 1

Screws & Fasteners 10-32X7/8", Phillips Pan Head, 18-8 Stainless Steel with Silicone O-Ring, Seal Screw

R10-32X7/8 2701
APM HEXSEAL
1: $2.15
25In Stock

Mfr. Part #
R10-32X7/8 2701

Mouser Part #
608-R10-32X7/8

Screws & Fasteners 10-32X7/8", Phillips Pan Head, 18-8 Stainless Steel with Silicone O-Ring, Seal Screw

Datasheet

25In Stock

$2.15

$1.73

$1.45

$1.35

$0.949

Min.: 1
Mult.: 1

Screws & Fasteners SCR PAN STL sT m3X25 PHIL SELF SEAL

RM3X25MM 2701
APM HEXSEAL
1: $2.74
260In Stock

Mfr. Part #
RM3X25MM 2701

Mouser Part #
608-RM3X25MM2701

Screws & Fasteners SCR PAN STL sT m3X25 PHIL SELF SEAL

260In Stock

$2.74

$2.20

$1.86

$1.73

$1.27

Min.: 1
Mult.: 1

Screws & Fasteners

SFR4-40 x 3/8 2615
APM HEXSEAL
1: $1.56
64In Stock
200Expected 2026-08-10

Mfr. Part #
SFR4-40 x 3/8 2615

Mouser Part #
608-SFR4-40X382615

Screws & Fasteners

64In Stock

200Expected 2026-08-10

$1.56

$1.22

$1.11

$0.985

View

Min.: 1
Mult.: 1

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

SM3X8MM-2701
APM HEXSEAL
1: $1.09
169In Stock

Mfr. Part #
SM3X8MM-2701

Mouser Part #
608-SM3X8MM-2701

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

169In Stock

$1.09

$0.854

$0.779

$0.687

View

Min.: 1
Mult.: 1

Screws & Fasteners

SFR4-40 x 3/8 2701
APM HEXSEAL
1: $1.05
1,277In Stock
4,350Expected 2026-08-17

Mfr. Part #
SFR4-40 x 3/8 2701

Mouser Part #
608-SFR4-40X3-82701

Screws & Fasteners

1,277In Stock

4,350Expected 2026-08-17

$1.05

$0.815

$0.783

$0.609

$0.58

Min.: 1
Mult.: 1

Screws & Fasteners Screws and Fasteners

SFR8-32x1/2-2701
APM HEXSEAL
1: $1.44
298In Stock

Mfr. Part #
SFR8-32x1/2-2701

Mouser Part #
608-SFR832X1/22701

Screws & Fasteners Screws and Fasteners

298In Stock

$1.44

$1.15

$0.979

$0.903

View

Min.: 1
Mult.: 1

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

SM3X12MM-2701
APM HEXSEAL
1: $1.15
1,102In Stock

Mfr. Part #
SM3X12MM-2701

Mouser Part #
608-SM3X12MM-2701

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

1,102In Stock

$1.15

$0.893

$0.815

$0.717

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: $1.44
71In Stock
2,850Expected 2026-08-21

Mfr. Part #
RM2.5x6MM 2701

Mouser Part #
608-RM2.5X6MM2701

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

71In Stock

2,850Expected 2026-08-21

$1.44

$1.12

$0.873

$0.838

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: $1.71
347In Stock

Mfr. Part #
R2-56X3/8 2701

Mouser Part #
608-R2-56X3/8

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

Datasheet

347In Stock

$1.71

$1.39

$1.18

$1.08

View

Min.: 1
Mult.: 1

Screws & Fasteners

SFR832X3/8 2701
APM HEXSEAL
1: $1.30
100In Stock

Mfr. Part #
SFR832X3/8 2701

Mouser Part #
608-SFR832X3/8

Screws & Fasteners

100In Stock

$1.30

$1.01

$0.847

$0.827

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: $1.41
3,360In Stock

Mfr. Part #
R4-40X9/16 2701

Mouser Part #
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

$1.41

$1.09

$0.906

$0.847

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: $2.15
27In Stock

Mfr. Part #
R10-24X7/8 2701

Mouser Part #
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

$2.15

$1.73

$1.45

$1.35

$0.949

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: $1.71
16In Stock

Mfr. Part #
R2-56X1 2701

Mouser Part #
608-R2-56X1

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

16In Stock

$1.71

$1.34

$1.03

$1.02

View

Min.: 1
Mult.: 1

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

SFR8-32X3/4-2701
APM HEXSEAL
1: $1.61
54In Stock

Mfr. Part #
SFR8-32X3/4-2701

Mouser Part #
608-SFR8-32X3/4-2701

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

54In Stock

$1.61

$1.27

$1.16

$0.978

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: $1.70
12In Stock

Mfr. Part #
R10-24X9/16 2701

Mouser Part #
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

$1.70

$1.37

$1.17

$1.07

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: $1.86
40In Stock

Mfr. Part #
R10-24X5/8 2701

Mouser Part #
608-R10-24X5/8

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

40In Stock

$1.86

$1.50

$1.27

$1.18

$0.809

Min.: 1
Mult.: 1

Screws & Fasteners Screw

SFR4-40X1/2-7601
APM HEXSEAL
1: $1.25
32In Stock
600Expected 2026-08-18

Mfr. Part #
SFR4-40X1/2-7601

Mouser Part #
608-SFR4-40X1/2-7601

Screws & Fasteners Screw

32In Stock

600Expected 2026-08-18

$1.25

$0.971

$0.886

$0.78

View

Min.: 1
Mult.: 1

Screws & Fasteners 2.5 x 10mm SeelSkrew

RM2.5X10MM 2701
APM HEXSEAL
1: $1.61
256In Stock

Mfr. Part #
RM2.5X10MM 2701

Mouser Part #
608-RM2.5X10MM2701

Screws & Fasteners 2.5 x 10mm SeelSkrew

256In Stock

$1.61

$1.27

$1.16

$1.02

View

Min.: 1
Mult.: 1