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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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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: $1.71
526In 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

526In Stock

$1.71

$1.34

$1.23

$1.08

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
467In 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

467In 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

$0.992

$0.874

View

Min.: 1
Mult.: 1

Screws & Fasteners

S/6-32X1/4 2701
APM HEXSEAL
1: $1.07
20In Stock
200Expected 2026-07-15

Mfr. Part #
S/6-32X1/4 2701

Mouser Part #
608-S/6-32X1/4

Screws & Fasteners

20In Stock

200Expected 2026-07-15

$1.07

$0.76

$0.693

$0.608

View

Min.: 1
Mult.: 1

Screws & Fasteners

SFR4-40 x 3/8 2701
APM HEXSEAL
1: $1.05
862In Stock
2,500Expected 2026-07-10

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

Mouser Part #
608-SFR4-40X3-82701

Screws & Fasteners

862In Stock

2,500Expected 2026-07-10

$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
308In Stock

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

Mouser Part #
608-SFR832X1/22701

Screws & Fasteners Screws and Fasteners

308In 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
647In Stock
1,000Expected 2026-07-22

Mfr. Part #
SM3X12MM-2701

Mouser Part #
608-SM3X12MM-2701

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

647In Stock

1,000Expected 2026-07-22

$1.15

$0.893

$0.815

$0.717

View

Min.: 1
Mult.: 1

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

SFR4-40X5/16 2701
APM HEXSEAL
1: $1.27
2,105In Stock
3,650Expected 2026-07-06

Mfr. Part #
SFR4-40X5/16 2701

Mouser Part #
608-SFR440X5162701

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

2,105In Stock

3,650Expected 2026-07-06

$1.27

$0.972

$0.886

$0.78

View

Min.: 1
Mult.: 1

Screws & Fasteners

SFR4-40 x 3/8 2615
APM HEXSEAL
1: $1.56
189In Stock

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

Mouser Part #
608-SFR4-40X382615

Screws & Fasteners

189In Stock

$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
209In Stock

Mfr. Part #
SM3X8MM-2701

Mouser Part #
608-SM3X8MM-2701

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

209In Stock

$1.09

$0.854

$0.779

$0.687

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
188In 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

188In 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
2,395In Stock
3,900Expected 2026-07-20

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

2,395In Stock

3,900Expected 2026-07-20

$1.43

$1.12

$1.02

$0.903

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: $4.71
27In Stock

Mfr. Part #
ST1/4-20X1 2701

Mouser Part #
608-ST1/4-20X1

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

Datasheet

27In Stock

$4.71

$3.76

$3.44

$2.92

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

R2-56X3/4 2701
APM HEXSEAL
1: $1.71
301In Stock

Mfr. Part #
R2-56X3/4 2701

Mouser Part #
608-R2-56X3/4

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

301In Stock

$1.71

$1.34

$1.23

$1.08

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
26In 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

26In 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
94In Stock

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

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

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

94In Stock

$1.61

$1.27

$1.16

$0.978

View

Min.: 1
Mult.: 1

Screws & Fasteners Screw

SFR4-40X1/2-7601
APM HEXSEAL
1: $1.25
142In Stock
500Expected 2026-07-08

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

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

Screws & Fasteners Screw

142In Stock

500Expected 2026-07-08

$1.25

$0.971

$0.886

$0.78

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: $1.01
471In Stock

Mfr. Part #
S8-32X1/4 2701

Mouser Part #
608-S8-32X1/42701

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

471In Stock

$1.01

$0.778

$0.708

$0.624

View

Min.: 1
Mult.: 1

Screws & Fasteners 2.5 x 12mm SeelSkrew

RM2.5X12MM 2701
APM HEXSEAL
1: $2.25
25In Stock

Mfr. Part #
RM2.5X12MM 2701

Mouser Part #
608-RM2.5X12MM2701

Screws & Fasteners 2.5 x 12mm SeelSkrew

25In Stock

$2.25

$1.76

$1.61

$1.44

View

Min.: 1
Mult.: 1

Screws & Fasteners 1" SS 8-32 PHILIPS SCREW

SFR8-32x1-2701
APM HEXSEAL
1: $1.44
25In Stock

Mfr. Part #
SFR8-32x1-2701

Mouser Part #
608-SFR832X12701

Screws & Fasteners 1" SS 8-32 PHILIPS SCREW

25In Stock

$1.44

$1.12

$1.05

$0.982

View

Min.: 1
Mult.: 1

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

R4-40X1/2 2615
APM HEXSEAL
1: $1.71
250In Stock

Mfr. Part #
R4-40X1/2 2615

Mouser Part #
608-R440X1/22615

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

250In Stock

$1.71

$1.39

$1.18

$1.08

View

Min.: 1
Mult.: 1