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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 6-32X5/8", Phillips Pan Head, 18-8 Stainless Steel with Silicone O-Ring, Seal Screw

R6-32X5/8 2701
APM HEXSEAL
1: €0.671
854In Stock

Mfr. Part No.
R6-32X5/8 2701

Mouser Part No
608-R6-32X5/8

Screws & Fasteners 6-32X5/8", Phillips Pan Head, 18-8 Stainless Steel with Silicone O-Ring, Seal Screw

Datasheet

854In Stock

€0.671

€0.571

€0.536

€0.504

View

Min.: 1
Mult.: 1

Screws & Fasteners 6-32X7/8", Phillips Pan Head, 18-8 Stainless Steel with Silicone O-Ring, Seal Screw

R6-32X7/8 2701
APM HEXSEAL
1: €0.714
27In Stock

Mfr. Part No.
R6-32X7/8 2701

Mouser Part No
608-R6-32X7/8

Screws & Fasteners 6-32X7/8", Phillips Pan Head, 18-8 Stainless Steel with Silicone O-Ring, Seal Screw

27In Stock

€0.714

€0.607

€0.569

€0.536

View

Min.: 1
Mult.: 1

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

R8-32X1/4 2701
APM HEXSEAL
1: €0.525
2,241In Stock

Mfr. Part No.
R8-32X1/4 2701

Mouser Part No
608-R8-32X1/4

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

Datasheet

2,241In Stock

€0.525

€0.445

€0.416

€0.392

View

Min.: 1
Mult.: 1

Screws & Fasteners 8-32X3/4", Phillips Pan Head, 18-8 Stainless Steel with Silicone O-Ring, Seal Screw

R8-32X3/4 2701
APM HEXSEAL
1: €0.774
128In Stock

Mfr. Part No.
R8-32X3/4 2701

Mouser Part No
608-R8-32X3/4

Screws & Fasteners 8-32X3/4", Phillips Pan Head, 18-8 Stainless Steel with Silicone O-Ring, Seal Screw

Datasheet

128In Stock

€0.774

€0.66

€0.619

€0.583

View

Min.: 1
Mult.: 1

Screws & Fasteners 8-32X5/16", Phillips Pan Head, 18-8 Stainless Steel with Silicone O-Ring, Seal Screw

R8-32X5/16 2701
APM HEXSEAL
1: €0.671
136In Stock

Mfr. Part No.
R8-32X5/16 2701

Mouser Part No
608-R8-32X5/162701

Screws & Fasteners 8-32X5/16", Phillips Pan Head, 18-8 Stainless Steel with Silicone O-Ring, Seal Screw

Datasheet

136In Stock

€0.671

€0.571

€0.536

€0.504

View

Min.: 1
Mult.: 1

Screws & Fasteners 8-32X7/16", Phillips Pan Head, 18-8 Stainless Steel with Silicone O-Ring, Seal Screw

R8-32X7/16 2701
APM HEXSEAL
1: €0.697
111In Stock

Mfr. Part No.
R8-32X7/16 2701

Mouser Part No
608-R8-32X7/16

Screws & Fasteners 8-32X7/16", Phillips Pan Head, 18-8 Stainless Steel with Silicone O-Ring, Seal Screw

Datasheet

111In Stock

€0.697

€0.589

€0.552

€0.52

View

Min.: 1
Mult.: 1

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

R8-32X7/8 2701
APM HEXSEAL
1: €0.808
758In Stock

Mfr. Part No.
R8-32X7/8 2701

Mouser Part No
608-R8-32X7/8

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

Datasheet

758In Stock

€0.808

€0.759

€0.652

€0.615

View

Min.: 1
Mult.: 1

Screws & Fasteners SEELSKREW MT PH REC M4 X 0.7 THD 20MM LG

RM4X20MM-2701
APM HEXSEAL
1: €0.559
1,141In Stock

Mfr. Part No.
RM4X20MM-2701

Mouser Part No
608-RM4X20MM2701

Screws & Fasteners SEELSKREW MT PH REC M4 X 0.7 THD 20MM LG

Datasheet

1,141In Stock

€0.559

€0.526

€0.451

€0.424

View

Min.: 1
Mult.: 1

Screws & Fasteners SEELSKREW FH REC 4-40 THD 1/4" NBR

SFR4-40 X 1/4 2701
APM HEXSEAL
1: €0.602
938In Stock
2,150Expected 24/08/2026

Mfr. Part No.
SFR4-40 X 1/4 2701

Mouser Part No
608-SFR4-40X1/42701

Screws & Fasteners SEELSKREW FH REC 4-40 THD 1/4" NBR

938In Stock

2,150Expected 24/08/2026

€0.602

€0.464

€0.423

€0.372

View

Min.: 1
Mult.: 1

Screws & Fasteners SEELNUTS 5/16-24 THREAD

5/16-24 AJ 6
APM HEXSEAL
1: €3.19
15In Stock

Mfr. Part No.
5/16-24 AJ 6

Mouser Part No
608-5/16-24AJ6

Screws & Fasteners SEELNUTS 5/16-24 THREAD

15In Stock

€3.19

€2.99

€2.61

€2.48

View

Min.: 1
Mult.: 1

Screws & Fasteners 1/4"-20X5/8", Phillips Pan Head, 18-8 Stainless Steel with Silicone O-Ring, Seal Screw

R1/4-20X5/8 2701
APM HEXSEAL
1: €1.34
65In Stock

Mfr. Part No.
R1/4-20X5/8 2701

Mouser Part No
608-R1/4-20X5/8

Screws & Fasteners 1/4"-20X5/8", Phillips Pan Head, 18-8 Stainless Steel with Silicone O-Ring, Seal Screw

65In Stock

€1.34

€1.15

€1.08

€1.02

View

Min.: 1
Mult.: 1

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

R10-32X1 2701
APM HEXSEAL
1: €0.894
3In Stock

Mfr. Part No.
R10-32X1 2701

Mouser Part No
608-R10-32X1

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

Datasheet

3In Stock

€0.894

€0.765

€0.718

€0.677

View

Min.: 1
Mult.: 1

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

R10-32X3/4 2701
APM HEXSEAL
1: €0.955
596In Stock

Mfr. Part No.
R10-32X3/4 2701

Mouser Part No
608-R10-32X3/4

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

Datasheet

596In Stock

€0.955

€0.816

€0.767

€0.723

View

Min.: 1
Mult.: 1

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

R8-32X5/8 2701
APM HEXSEAL
1: €0.757
30In Stock

Mfr. Part No.
R8-32X5/8 2701

Mouser Part No
608-R8-32X5/8

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

Datasheet

30In Stock

€0.757

€0.642

€0.603

€0.568

View

Min.: 1
Mult.: 1

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

SFR8-32X5/8 2701
APM HEXSEAL
1: €0.654
29In Stock

Mfr. Part No.
SFR8-32X5/8 2701

Mouser Part No
608-SFR8-32X5/82701

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

29In Stock

€0.654

€0.569

€0.556

€0.55

View

Min.: 1
Mult.: 1

Screws & Fasteners 4-40X1/2", Slotted Pan Head, 18-8 Stainless Steel with Silicone O-Ring, Seal Screw

S4-40X1/2 2701
APM HEXSEAL
1: €0.602
82In Stock

Mfr. Part No.
S4-40X1/2 2701

Mouser Part No
608-S4-40X1/22701

Screws & Fasteners 4-40X1/2", Slotted Pan Head, 18-8 Stainless Steel with Silicone O-Ring, Seal Screw

82In Stock

€0.602

€0.464

€0.423

€0.36

View

Min.: 1
Mult.: 1

Screws & Fasteners 10-24X7/16", Phillips Pan Head, 18-8 Stainless Steel with Silicone O-Ring, Seal Screw

R10-24X7/16 2701
APM HEXSEAL
1: €0.998
87In Stock

Mfr. Part No.
R10-24X7/16 2701

Mouser Part No
608-R10-24X7/16

Screws & Fasteners 10-24X7/16", Phillips Pan Head, 18-8 Stainless Steel with Silicone O-Ring, Seal Screw

Datasheet

87In Stock

€0.998

€0.804

€0.683

€0.63

€0.427

Min.: 1
Mult.: 1

Screws & Fasteners SEELSKREW 6-32 X 5/8 WITH VITON O-RING

R6-32X5/8-5701
APM HEXSEAL
1: €0.998
4In Stock
Factory Special Order

Mfr. Part No.
R6-32X5/8-5701

Mouser Part No
608-R6-32X5/8-5701

Factory Special Order

Screws & Fasteners SEELSKREW 6-32 X 5/8 WITH VITON O-RING

4In Stock

€0.998

View

Min.: 1
Mult.: 1

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

R4-40X3/16 2701
APM HEXSEAL
1: €0.757
12,170On Order

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

12,170On Order

€0.757

€0.599

€0.507

€0.466

View

Min.: 1
Mult.: 1

Screws & Fasteners

SFR6-32 x 3/8 2701
APM HEXSEAL
1: €0.783
4,299On Order

Mfr. Part No.
SFR6-32 x 3/8 2701

Mouser Part No
608-SFR6-323/82701

Screws & Fasteners

4,299On Order

€0.783

€0.604

€0.55

€0.484

View

Min.: 1
Mult.: 1

Screws & Fasteners 1/4"-20X1/2", Phillips Pan Head, 18-8 Stainless Steel with Silicone O-Ring, Seal Screw

R1/4-20X1/2 2701
APM HEXSEAL
1: €1.01
1In Stock

Mfr. Part No.
R1/4-20X1/2 2701

Mouser Part No
608-R1/4-20X1/2

Screws & Fasteners 1/4"-20X1/2", Phillips Pan Head, 18-8 Stainless Steel with Silicone O-Ring, Seal Screw

Datasheet

1In Stock

€1.01

€0.869

€0.816

€0.77

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: €1.02
197Expected 14/08/2026

Mfr. Part No.
R2-56X3/4 2701

Mouser Part No
608-R2-56X3/4

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

197Expected 14/08/2026

€1.02

€0.802

€0.615

€0.607

View

Min.: 1
Mult.: 1

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

R4-40X7/8 2701
APM HEXSEAL
1: €0.568
293On Order

Mfr. Part No.
R4-40X7/8 2701

Mouser Part No
608-R4-40X7/8

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

Datasheet

293On Order

€0.568

€0.482

€0.451

€0.424

View

Min.: 1
Mult.: 1

Screws & Fasteners

S/6-32X1/4 2701
APM HEXSEAL
1: €0.636
276On Order

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

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

Screws & Fasteners

276On Order

€0.636

€0.454

€0.414

€0.363

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: €2.81
36Expected 20/08/2026

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

36Expected 20/08/2026

€2.81

€2.24

€1.75

€1.74

View

Min.: 1
Mult.: 1