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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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In Stock

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RoHS Compliant

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Part #

Screws & Fasteners

ST1/2-13X3-1/2 2701
APM HEXSEAL
1: £3.32
Non-Stocked

Mfr. Part No.
ST1/2-13X3-1/2 2701

Mouser Part No
608-ST1/2-13X3-1/2

Screws & Fasteners

Non-Stocked

£3.32

£3.25

£2.76

£2.72

View

Min.: 1
Mult.: 1

Screws & Fasteners

ST1/2-13X4 2701
APM HEXSEAL
1: £3.60
Non-Stocked

Mfr. Part No.
ST1/2-13X4 2701

Mouser Part No
608-ST1/2-13X4

Screws & Fasteners

Non-Stocked

£3.60

£3.53

£2.99

£2.96

View

Min.: 1
Mult.: 1

Screws & Fasteners

ST1/4-20X1-1/4 2701
APM HEXSEAL
1: £1.68
Non-Stocked

Mfr. Part No.
ST1/4-20X1-1/4 2701

Mouser Part No
608-ST1/4-20X1-1/4

Screws & Fasteners

Non-Stocked

£1.68

£1.42

£1.38

£1.37

Min.: 1
Mult.: 1

Screws & Fasteners

ST1/4-20X1-3/4 2701
APM HEXSEAL
1: £1.80
Non-Stocked

Mfr. Part No.
ST1/4-20X1-3/4 2701

Mouser Part No
608-ST1/4-20X1-3/4

Screws & Fasteners

Non-Stocked

£1.80

£1.52

£1.50

£1.49

Min.: 1
Mult.: 1

Screws & Fasteners 1/4-20X1/2" 18-8 Stainless Steel Self-Seal Silicone O-Ring, Hex Cap Screw

ST1/4-20X1/2 2701
APM HEXSEAL
1: £1.26
Non-Stocked

Mfr. Part No.
ST1/4-20X1/2 2701

Mouser Part No
608-ST1/4-20X1/2

Screws & Fasteners 1/4-20X1/2" 18-8 Stainless Steel Self-Seal Silicone O-Ring, Hex Cap Screw

Datasheet

Non-Stocked

£1.26

£1.13

£0.818

£0.773

Min.: 1
Mult.: 1

Screws & Fasteners

ST1/4-20X2 2701
APM HEXSEAL
1: £1.34
Non-Stocked

Mfr. Part No.
ST1/4-20X2 2701

Mouser Part No
608-ST1/4-20X2

Screws & Fasteners

Non-Stocked

£1.34

£1.31

£1.10

£1.03

View

Min.: 1
Mult.: 1

Screws & Fasteners 1/4-20X2-1/2" 18-8 Stainless Steel Self-Seal Silicone O-Ring, Hex Cap Screw

ST1/4-20X2-1/2 2701
APM HEXSEAL
1: £1.41
Non-Stocked

Mfr. Part No.
ST1/4-20X2-1/2 2701

Mouser Part No
608-ST1/4-20X2-1/2

Screws & Fasteners 1/4-20X2-1/2" 18-8 Stainless Steel Self-Seal Silicone O-Ring, Hex Cap Screw

Non-Stocked

£1.41

£1.37

£1.16

£1.15

View

Min.: 1
Mult.: 1

Screws & Fasteners

ST1/4-20X3 2701
APM HEXSEAL
1: £1.48
Non-Stocked

Mfr. Part No.
ST1/4-20X3 2701

Mouser Part No
608-ST1/4-20X3

Screws & Fasteners

Non-Stocked

£1.48

£1.45

£1.23

£1.21

View

Min.: 1
Mult.: 1

Screws & Fasteners 1/4-20X3/4" 18-8 Stainless Steel Self-Seal Silicone O-Ring, Hex Cap Screw

ST1/4-20X3/4 2701
APM HEXSEAL
1: £0.978
Non-Stocked

Mfr. Part No.
ST1/4-20X3/4 2701

Mouser Part No
608-ST1/4-20X3/4

Screws & Fasteners 1/4-20X3/4" 18-8 Stainless Steel Self-Seal Silicone O-Ring, Hex Cap Screw

Non-Stocked

£0.978

£0.818

£0.796

Min.: 1
Mult.: 1

Screws & Fasteners

ST1/4-20X3/8 2701
APM HEXSEAL
1: £1.32
Non-Stocked

Mfr. Part No.
ST1/4-20X3/8 2701

Mouser Part No
608-ST1/4-20X3/8

Screws & Fasteners

Non-Stocked

£1.32

£1.00

£0.849

£0.766

View

Min.: 1
Mult.: 1

Screws & Fasteners 1/4-20X3/8" 18-8 Stainless Steel Self-Seal Silicone O-Ring, Hex Cap Screw

ST3/8-16X1 2701
APM HEXSEAL
50: £1.55
Non-Stocked

Mfr. Part No.
ST3/8-16X1 2701

Mouser Part No
608-ST3/8-16X1

Screws & Fasteners 1/4-20X3/8" 18-8 Stainless Steel Self-Seal Silicone O-Ring, Hex Cap Screw

Datasheet

Non-Stocked

£1.55

£1.52

£1.51

Min.: 50
Mult.: 25

Screws & Fasteners

ST3/8-16X1-1/4 2701
APM HEXSEAL
1: £1.88
Non-Stocked

Mfr. Part No.
ST3/8-16X1-1/4 2701

Mouser Part No
608-ST3/8-16X1-1/4

Screws & Fasteners

Non-Stocked

£1.88

£1.59

£1.56

£1.55

Min.: 1
Mult.: 1

Screws & Fasteners

ST3/8-16X1-3/4 2701
APM HEXSEAL
1: £1.91
Non-Stocked

Mfr. Part No.
ST3/8-16X1-3/4 2701

Mouser Part No
608-ST3/8-16X1-3/4

Screws & Fasteners

Non-Stocked

£1.91

£1.62

£1.58

Min.: 1
Mult.: 1

Screws & Fasteners

St3/8-16X2 2701
APM HEXSEAL
1: £2.17
Non-Stocked

Mfr. Part No.
St3/8-16X2 2701

Mouser Part No
608-ST3/8-16X2

Screws & Fasteners

Non-Stocked

£2.17

£1.84

£1.78

£1.77

Min.: 1
Mult.: 1

Screws & Fasteners

ST3/8-16X3 2701
APM HEXSEAL
1: £4.55
Non-Stocked

Mfr. Part No.
ST3/8-16X3 2701

Mouser Part No
608-ST3/8-16X3

Screws & Fasteners

Non-Stocked

£4.55

£4.47

£3.79

£3.75

View

Min.: 1
Mult.: 1

Screws & Fasteners

ST5/16-18X1 2701
APM HEXSEAL
25: £1.41
Non-Stocked

Mfr. Part No.
ST5/16-18X1 2701

Mouser Part No
608-ST5/16-18X1

Screws & Fasteners

Non-Stocked

£1.41

£1.35

£1.29

£1.28

Min.: 25
Mult.: 25

Screws & Fasteners 5/16-18X1-1/2" 18-8 Stainless Steel Self-Seal Silicone O-Ring, Hex Cap Screw

ST5/16-18X1-1/2 2701
APM HEXSEAL
50: £1.20
Non-Stocked

Mfr. Part No.
ST5/16-18X1-1/2 2701

Mouser Part No
608-ST5/16-18X1-1/2

Screws & Fasteners 5/16-18X1-1/2" 18-8 Stainless Steel Self-Seal Silicone O-Ring, Hex Cap Screw

Non-Stocked

£1.20

£1.15

£1.14

Min.: 50
Mult.: 1

Screws & Fasteners

ST5/16-18X1-1/4 2701
APM HEXSEAL
1: £1.49
Non-Stocked

Mfr. Part No.
ST5/16-18X1-1/4 2701

Mouser Part No
608-ST5/16-18X1-1/4

Screws & Fasteners

Non-Stocked

£1.49

£1.47

£1.24

£1.22

View

Min.: 1
Mult.: 1

Screws & Fasteners

ST5/16-18X1-3/4 2701
APM HEXSEAL
1: £1.81
Non-Stocked

Mfr. Part No.
ST5/16-18X1-3/4 2701

Mouser Part No
608-ST5/16-18X1-3/4

Screws & Fasteners

Non-Stocked

£1.81

£1.78

£1.50

£1.48

View

Min.: 1
Mult.: 1

Screws & Fasteners

ST5/16-18X2 2701
APM HEXSEAL
1: £2.07
Non-Stocked

Mfr. Part No.
ST5/16-18X2 2701

Mouser Part No
608-ST5/16-18X2

Screws & Fasteners

Non-Stocked

£2.07

£1.75

Min.: 1
Mult.: 1

Screws & Fasteners

ST5/16-18X2-1/2 2701
APM HEXSEAL
1: £1.92
Non-Stocked

Mfr. Part No.
ST5/16-18X2-1/2 2701

Mouser Part No
608-ST5/16-18X2-1/2

Screws & Fasteners

Non-Stocked

£1.92

£1.89

£1.59

£1.58

View

Min.: 1
Mult.: 1

Screws & Fasteners

ST5/16-18X3 2701
APM HEXSEAL
1: £3.63
Non-Stocked

Mfr. Part No.
ST5/16-18X3 2701

Mouser Part No
608-ST5/16-18X3

Screws & Fasteners

Non-Stocked

£3.63

£3.08

Min.: 1
Mult.: 1

Screws & Fasteners Metric Hexagon Head SEELBOLT

STM10x25MM-2701
APM HEXSEAL
1: £3.32
Non-Stocked

Mfr. Part No.
STM10x25MM-2701

Mouser Part No
608-STM10X25MM2701LS

Screws & Fasteners Metric Hexagon Head SEELBOLT

Non-Stocked

£3.32

£3.15

£3.07

£2.99

View

Min.: 1
Mult.: 1

Screws & Fasteners Machine Screw Pan Phillips M3

RM3X25MM-2615-BLKOX
APM HEXSEAL
50: £0.803
Non-Stocked

Mfr. Part No.
RM3X25MM-2615-BLKOX

Mouser Part No
608-RM3X25MM2615BLOX

Screws & Fasteners Machine Screw Pan Phillips M3

Product Comments

Non-Stocked

£0.803

£0.703

£0.683

£0.663

View

Min.: 50
Mult.: 1

Screws & Fasteners 4-40X3/16", Slotted Pan Head, 18-8 Stainless Steel with Silicone O-Ring, Seal Screw

S4-40X3/16 2701
APM HEXSEAL
1: £0.465
Non-Stocked

Mfr. Part No.
S4-40X3/16 2701

Mouser Part No
608-S4-40X3/162701

Screws & Fasteners 4-40X3/16", Slotted Pan Head, 18-8 Stainless Steel with Silicone O-Ring, Seal Screw

Non-Stocked

£0.465

£0.326

£0.26

£0.234

View

Min.: 1
Mult.: 1