We ship from multiple warehouses throughout the USA
to get you what you need as fast as possible!
Millions of items in stock!
Fast online checkout - No account required
Cart 0

Fastening Products - Self Sealing Fasteners For Sale | A1 Tooling - (83 Products)


APM HEXSEAL - 3/8-16, Grade 18-8 Stainless Steel, Self Sealing Hex Bolt - Passivated, 1" Length Under Head, Silicone O Ring, UNC Thread


Item #: 06766729
Brand: APM HEXSEAL
Model #: ST3/8-16X1
Exact Tooling IR#: 04

Features and Benefits

Stainless steel is a strong, corrosion-resistant alloy with excellent resistance to heat. It is used in high-stress, outdoor and corrosive applications.
Silicone is a nonadhesive, self-fusing material that is easy to work with. It is primarily used in high-temperature and temporary applications for insulating and moisture sealing.
Product Specifications
System of Measurement Inch
Thread Size (Inch) 3/8-16
Length (Inch) 1
Material Stainless Steel
Material Grade 18-8
O Ring Material Silicone
Finish/Coating Passivated
Thread Standard UNC
Length Measurement Type Length Under Head
Full or Partial Threading Fully Threaded

$28.69

2% Off All Online Orders
Use Code: 2%OFF

Best Price Guarantee - Email Us A Better Published Price and We'll Beat It

APM HEXSEAL - 1/2-13, Grade 18-8 Stainless Steel, Self Sealing Hex Bolt - Passivated, 2" Length Under Head, Silicone O Ring, UNC Thread


Item #: 06766604
Brand: APM HEXSEAL
Model #: ST1/2-13X2
Exact Tooling IR#: 04

Features and Benefits

Stainless steel is a strong, corrosion-resistant alloy with excellent resistance to heat. It is used in high-stress, outdoor and corrosive applications.
Silicone is a nonadhesive, self-fusing material that is easy to work with. It is primarily used in high-temperature and temporary applications for insulating and moisture sealing.
Product Specifications
System of Measurement Inch
Thread Size (Inch) 1/2-13
Length (Inch) 2
Material Stainless Steel
Material Grade 18-8
O Ring Material Silicone
Finish/Coating Passivated
Thread Standard UNC
Length Measurement Type Length Under Head
Full or Partial Threading Fully Threaded

$45.51

2% Off All Online Orders
Use Code: 2%OFF

Best Price Guarantee - Email Us A Better Published Price and We'll Beat It

APM HEXSEAL - 5/16-18, Grade 18-8 Stainless Steel, Self Sealing Hex Bolt - Passivated, 2" Length Under Head, Silicone O Ring, UNC Thread


Item #: 06766844
Brand: APM HEXSEAL
Model #: ST5/16-18X2
Exact Tooling IR#: 04

Features and Benefits

Stainless steel is a strong, corrosion-resistant alloy with excellent resistance to heat. It is used in high-stress, outdoor and corrosive applications.
Silicone is a nonadhesive, self-fusing material that is easy to work with. It is primarily used in high-temperature and temporary applications for insulating and moisture sealing.
Product Specifications
System of Measurement Inch
Thread Size (Inch) 5/16-18
Length (Inch) 2
Material Stainless Steel
Material Grade 18-8
O Ring Material Silicone
Finish/Coating Passivated
Thread Standard UNC
Length Measurement Type Length Under Head
Full or Partial Threading Fully Threaded

$28.76

2% Off All Online Orders
Use Code: 2%OFF

Best Price Guarantee - Email Us A Better Published Price and We'll Beat It

APM HEXSEAL - 1/4-20, Grade 18-8 Stainless Steel, Self Sealing Hex Bolt - Passivated, 3" Length Under Head, Silicone O Ring, UNC Thread


Item #: 06766703
Brand: APM HEXSEAL
Model #: ST1/4-20X3
Exact Tooling IR#: 04

Features and Benefits

Stainless steel is a strong, corrosion-resistant alloy with excellent resistance to heat. It is used in high-stress, outdoor and corrosive applications.
Silicone is a nonadhesive, self-fusing material that is easy to work with. It is primarily used in high-temperature and temporary applications for insulating and moisture sealing.
Product Specifications
System of Measurement Inch
Thread Size (Inch) 1/4-20
Length (Inch) 3
Material Stainless Steel
Material Grade 18-8
O Ring Material Silicone
Finish/Coating Passivated
Thread Standard UNC
Length Measurement Type Length Under Head
Full or Partial Threading Fully Threaded

$36.96

2% Off All Online Orders
Use Code: 2%OFF

Best Price Guarantee - Email Us A Better Published Price and We'll Beat It

APM HEXSEAL - 5/16-18, Grade 18-8 Stainless Steel, Self Sealing Hex Bolt - Passivated, 1" Length Under Head, Silicone O Ring, UNC Thread


Item #: 06766802
Brand: APM HEXSEAL
Model #: ST5/16-18X1
Exact Tooling IR#: 04

Features and Benefits

Stainless steel is a strong, corrosion-resistant alloy with excellent resistance to heat. It is used in high-stress, outdoor and corrosive applications.
Silicone is a nonadhesive, self-fusing material that is easy to work with. It is primarily used in high-temperature and temporary applications for insulating and moisture sealing.
Product Specifications
System of Measurement Inch
Thread Size (Inch) 5/16-18
Length (Inch) 1
Material Stainless Steel
Material Grade 18-8
O Ring Material Silicone
Finish/Coating Passivated
Thread Standard UNC
Length Measurement Type Length Under Head
Full or Partial Threading Fully Threaded

$25.88

2% Off All Online Orders
Use Code: 2%OFF

Best Price Guarantee - Email Us A Better Published Price and We'll Beat It

APM HEXSEAL - 5/16-18, Grade 18-8 Stainless Steel, Self Sealing Hex Bolt - Passivated, 3/4" Length Under Head, Silicone O Ring, UNC Thread


Item #: 06766877
Brand: APM HEXSEAL
Model #: ST5/16-18X3/4
Exact Tooling IR#: 04

Features and Benefits

Stainless steel is a strong, corrosion-resistant alloy with excellent resistance to heat. It is used in high-stress, outdoor and corrosive applications.
Silicone is a nonadhesive, self-fusing material that is easy to work with. It is primarily used in high-temperature and temporary applications for insulating and moisture sealing.
Product Specifications
System of Measurement Inch
Thread Size (Inch) 5/16-18
Length (Inch) 3/4
Material Stainless Steel
Material Grade 18-8
O Ring Material Silicone
Finish/Coating Passivated
Thread Standard UNC
Length Measurement Type Length Under Head
Full or Partial Threading Fully Threaded

$25.88

2% Off All Online Orders
Use Code: 2%OFF

Best Price Guarantee - Email Us A Better Published Price and We'll Beat It

APM HEXSEAL - 3/8-16, Grade 18-8 Stainless Steel, Self Sealing Hex Bolt - Passivated, 1-1/2" Length Under Head, Silicone O Ring, UNC Thread


Item #: 06766737
Brand: APM HEXSEAL
Model #: ST3/8-16X1-1/2
Exact Tooling IR#: 04

Features and Benefits

Stainless steel is a strong, corrosion-resistant alloy with excellent resistance to heat. It is used in high-stress, outdoor and corrosive applications.
Silicone is a nonadhesive, self-fusing material that is easy to work with. It is primarily used in high-temperature and temporary applications for insulating and moisture sealing.
Product Specifications
System of Measurement Inch
Thread Size (Inch) 3/8-16
Length (Inch) 1-1/2
Material Stainless Steel
Material Grade 18-8
O Ring Material Silicone
Finish/Coating Passivated
Thread Standard UNC
Length Measurement Type Length Under Head
Full or Partial Threading Fully Threaded

$29.83

2% Off All Online Orders
Use Code: 2%OFF

Best Price Guarantee - Email Us A Better Published Price and We'll Beat It

APM HEXSEAL - 1/4-20, Grade 18-8 Stainless Steel, Self Sealing Hex Bolt - Passivated, 2" Length Under Head, Silicone O Ring, UNC Thread


Item #: 06766687
Brand: APM HEXSEAL
Model #: ST1/4-20X2
Exact Tooling IR#: 04

Features and Benefits

Stainless steel is a strong, corrosion-resistant alloy with excellent resistance to heat. It is used in high-stress, outdoor and corrosive applications.
Silicone is a nonadhesive, self-fusing material that is easy to work with. It is primarily used in high-temperature and temporary applications for insulating and moisture sealing.
Product Specifications
System of Measurement Inch
Thread Size (Inch) 1/4-20
Length (Inch) 2
Material Stainless Steel
Material Grade 18-8
O Ring Material Silicone
Finish/Coating Passivated
Thread Standard UNC
Length Measurement Type Length Under Head
Full or Partial Threading Fully Threaded

$22.76

2% Off All Online Orders
Use Code: 2%OFF

Best Price Guarantee - Email Us A Better Published Price and We'll Beat It

APM HEXSEAL - 1/4-20, Grade 18-8 Stainless Steel, Self Sealing Hex Bolt - Passivated, 1/2" Length Under Head, Silicone O Ring, UNC Thread


Item #: 06766679
Brand: APM HEXSEAL
Model #: ST1/4-20X1/2
Exact Tooling IR#: 04

Features and Benefits

Stainless steel is a strong, corrosion-resistant alloy with excellent resistance to heat. It is used in high-stress, outdoor and corrosive applications.
Silicone is a nonadhesive, self-fusing material that is easy to work with. It is primarily used in high-temperature and temporary applications for insulating and moisture sealing.
Product Specifications
System of Measurement Inch
Thread Size (Inch) 1/4-20
Length (Inch) 1/2
Material Stainless Steel
Material Grade 18-8
O Ring Material Silicone
Finish/Coating Passivated
Thread Standard UNC
Length Measurement Type Length Under Head
Full or Partial Threading Fully Threaded

$16.32

2% Off All Online Orders
Use Code: 2%OFF

Best Price Guarantee - Email Us A Better Published Price and We'll Beat It

APM HEXSEAL - 1/4-20, Grade 18-8 Stainless Steel, Self Sealing Hex Bolt - Passivated, 2-1/2" Length Under Head, Silicone O Ring, UNC Thread


Item #: 06766695
Brand: APM HEXSEAL
Model #: ST1/4-20X2-1/2
Exact Tooling IR#: 04

Features and Benefits

Stainless steel is a strong, corrosion-resistant alloy with excellent resistance to heat. It is used in high-stress, outdoor and corrosive applications.
Silicone is a nonadhesive, self-fusing material that is easy to work with. It is primarily used in high-temperature and temporary applications for insulating and moisture sealing.
Product Specifications
System of Measurement Inch
Thread Size (Inch) 1/4-20
Length (Inch) 2-1/2
Material Stainless Steel
Material Grade 18-8
O Ring Material Silicone
Finish/Coating Passivated
Thread Standard UNC
Length Measurement Type Length Under Head
Full or Partial Threading Fully Threaded

$24.62

2% Off All Online Orders
Use Code: 2%OFF

Best Price Guarantee - Email Us A Better Published Price and We'll Beat It

APM HEXSEAL - 1/2-13, Grade 18-8 Stainless Steel, Self Sealing Hex Bolt - Passivated, 2-1/2" Length Under Head, Silicone O Ring, UNC Thread


Item #: 06766612
Brand: APM HEXSEAL
Model #: ST1/2-13X2-1/2
Exact Tooling IR#: 04

Features and Benefits

Stainless steel is a strong, corrosion-resistant alloy with excellent resistance to heat. It is used in high-stress, outdoor and corrosive applications.
Silicone is a nonadhesive, self-fusing material that is easy to work with. It is primarily used in high-temperature and temporary applications for insulating and moisture sealing.
Product Specifications
System of Measurement Inch
Thread Size (Inch) 1/2-13
Length (Inch) 2-1/2
Material Stainless Steel
Material Grade 18-8
O Ring Material Silicone
Finish/Coating Passivated
Thread Standard UNC
Length Measurement Type Length Under Head
Full or Partial Threading Fully Threaded

$49.90

2% Off All Online Orders
Use Code: 2%OFF

Best Price Guarantee - Email Us A Better Published Price and We'll Beat It

APM HEXSEAL - 1/4-20, Grade 18-8 Stainless Steel, Self Sealing Hex Bolt - Passivated, 1-1/4" Length Under Head, Silicone O Ring, UNC Thread


Item #: 06766653
Brand: APM HEXSEAL
Model #: ST1/4-20X1-1/4
Exact Tooling IR#: 04

Features and Benefits

Stainless steel is a strong, corrosion-resistant alloy with excellent resistance to heat. It is used in high-stress, outdoor and corrosive applications.
Silicone is a nonadhesive, self-fusing material that is easy to work with. It is primarily used in high-temperature and temporary applications for insulating and moisture sealing.
Product Specifications
System of Measurement Inch
Thread Size (Inch) 1/4-20
Length (Inch) 1-1/4
Material Stainless Steel
Material Grade 18-8
O Ring Material Silicone
Finish/Coating Passivated
Thread Standard UNC
Length Measurement Type Length Under Head
Full or Partial Threading Fully Threaded

$16.32

2% Off All Online Orders
Use Code: 2%OFF

Best Price Guarantee - Email Us A Better Published Price and We'll Beat It

APM HEXSEAL - 3/8-16, Grade 18-8 Stainless Steel, Self Sealing Hex Bolt - Passivated, 1-1/4" Length Under Head, Silicone O Ring, UNC Thread


Item #: 06766745
Brand: APM HEXSEAL
Model #: ST3/8-16X1-1/4
Exact Tooling IR#: 04

Features and Benefits

Stainless steel is a strong, corrosion-resistant alloy with excellent resistance to heat. It is used in high-stress, outdoor and corrosive applications.
Silicone is a nonadhesive, self-fusing material that is easy to work with. It is primarily used in high-temperature and temporary applications for insulating and moisture sealing.
Product Specifications
System of Measurement Inch
Thread Size (Inch) 3/8-16
Length (Inch) 1-1/4
Material Stainless Steel
Material Grade 18-8
O Ring Material Silicone
Finish/Coating Passivated
Thread Standard UNC
Length Measurement Type Length Under Head
Full or Partial Threading Fully Threaded

$28.69

2% Off All Online Orders
Use Code: 2%OFF

Best Price Guarantee - Email Us A Better Published Price and We'll Beat It

APM HEXSEAL - 3/8-16, Grade 18-8 Stainless Steel, Self Sealing Hex Bolt - Passivated, 2" Length Under Head, Silicone O Ring, UNC Thread


Item #: 06766760
Brand: APM HEXSEAL
Model #: ST3/8-16X2
Exact Tooling IR#: 04

Features and Benefits

Stainless steel is a strong, corrosion-resistant alloy with excellent resistance to heat. It is used in high-stress, outdoor and corrosive applications.
Silicone is a nonadhesive, self-fusing material that is easy to work with. It is primarily used in high-temperature and temporary applications for insulating and moisture sealing.
Product Specifications
System of Measurement Inch
Thread Size (Inch) 3/8-16
Length (Inch) 2
Material Stainless Steel
Material Grade 18-8
O Ring Material Silicone
Finish/Coating Passivated
Thread Standard UNC
Length Measurement Type Length Under Head
Full or Partial Threading Fully Threaded

$33.18

2% Off All Online Orders
Use Code: 2%OFF

Best Price Guarantee - Email Us A Better Published Price and We'll Beat It

APM HEXSEAL - 3/8-16, Grade 18-8 Stainless Steel, Self Sealing Hex Bolt - Passivated, 1-3/4" Length Under Head, Silicone O Ring, UNC Thread


Item #: 06766752
Brand: APM HEXSEAL
Model #: ST3/8-16X1-3/4
Exact Tooling IR#: 04

Features and Benefits

Stainless steel is a strong, corrosion-resistant alloy with excellent resistance to heat. It is used in high-stress, outdoor and corrosive applications.
Silicone is a nonadhesive, self-fusing material that is easy to work with. It is primarily used in high-temperature and temporary applications for insulating and moisture sealing.
Product Specifications
System of Measurement Inch
Thread Size (Inch) 3/8-16
Length (Inch) 1-3/4
Material Stainless Steel
Material Grade 18-8
O Ring Material Silicone
Finish/Coating Passivated
Thread Standard UNC
Length Measurement Type Length Under Head
Full or Partial Threading Fully Threaded

$37.30

2% Off All Online Orders
Use Code: 2%OFF

Best Price Guarantee - Email Us A Better Published Price and We'll Beat It

APM HEXSEAL - 3/8" Screw, Uncoated, Stainless Steel Pressure Sealing Washer - 0.336 to 0.393" ID, 0.992 to 1.008" OD, 100 Max psi, Silicone Rubber Seal


Item #: 06766554
Brand: APM HEXSEAL
Model #: 75122
Exact Tooling IR#: 04

Features and Benefits

Stainless steel is a strong, corrosion-resistant alloy with excellent resistance to heat. It is used in high-stress, outdoor and corrosive applications.
Product Specifications
Screw Size (Inch) 3/8
Washer Material Stainless Steel
Washer Material Grade 18-8
Maximum Operating Pressure (Gases) (psi) 100.00
Minimum Inside Diameter (Decimal Inch) 0.3360
Maximum Inside Diameter (Decimal Inch) 0.3930
Maximum Outside Diameter (Decimal Inch) 1.0080
Minimum Outside Diameter (Decimal Inch) 0.9920
Finish/Coating Uncoated
Seal Material Silicone Rubber

$21.83

2% Off All Online Orders
Use Code: 2%OFF

Best Price Guarantee - Email Us A Better Published Price and We'll Beat It

Value Collection - Pressure Sealing Washers Screw Size (Inch): 3/4 Washer Material: Steel/Neoprene


Item #: 70909478
Brand: Value Collection
Exact Tooling IR#: 04

Features and Benefits

Steel is strong and durable, but less corrosion resistant than stainless steel. To improve its resistance to corrosion, it may receive additional finishes and coatings. Neoprene provides resistance to weather, sunlight, tearing, silicate ester lubricants, ammonia and high aniline petroleum oils. Not for use with ketones or phosphate ester fluids.

Product Specifications

Pressure Sealing Washers; Screw Size (Inch): 3/4 ; Washer Material: Steel/Neoprene
Screw Size (Inch) 3/4
Washer Material Steel/Neoprene

$32.95

2% Off All Online Orders
Use Code: 2%OFF

Best Price Guarantee - Email Us A Better Published Price and We'll Beat It

APM HEXSEAL - #10 Screw, Uncoated, Stainless Steel Pressure Sealing Washer - 0.194 to 0.202" ID, 0.992 to 1.008" OD, 100 Max psi, Silicone Rubber Seal


Item #: 06766539
Brand: APM HEXSEAL
Model #: 75102
Exact Tooling IR#: 04

Features and Benefits

Stainless steel is a strong, corrosion-resistant alloy with excellent resistance to heat. It is used in high-stress, outdoor and corrosive applications.
Product Specifications
Screw Size (#) #10
Washer Material Stainless Steel
Washer Material Grade 18-8
Maximum Operating Pressure (Gases) (psi) 100.00
Minimum Inside Diameter (Decimal Inch) 0.1940
Maximum Inside Diameter (Decimal Inch) 0.2020
Maximum Outside Diameter (Decimal Inch) 1.0080
Minimum Outside Diameter (Decimal Inch) 0.9920
Finish/Coating Uncoated
Seal Material Silicone Rubber

$21.51

2% Off All Online Orders
Use Code: 2%OFF

Best Price Guarantee - Email Us A Better Published Price and We'll Beat It

APM HEXSEAL - 5/16" Screw, Uncoated, Stainless Steel Pressure Sealing Washer - 0.276 to 0.338" ID, 0.992 to 1.008" OD, 100 Max psi, Silicone Rubber Seal


Item #: 06766547
Brand: APM HEXSEAL
Model #: 75107
Exact Tooling IR#: 04

Features and Benefits

Stainless steel is a strong, corrosion-resistant alloy with excellent resistance to heat. It is used in high-stress, outdoor and corrosive applications.
Product Specifications
Screw Size (Inch) 5/16
Washer Material Stainless Steel
Washer Material Grade 18-8
Maximum Operating Pressure (Gases) (psi) 100.00
Minimum Inside Diameter (Decimal Inch) 0.2760
Maximum Inside Diameter (Decimal Inch) 0.3380
Maximum Outside Diameter (Decimal Inch) 1.0080
Minimum Outside Diameter (Decimal Inch) 0.9920
Finish/Coating Uncoated
Seal Material Silicone Rubber

$29.45

2% Off All Online Orders
Use Code: 2%OFF

Best Price Guarantee - Email Us A Better Published Price and We'll Beat It

Value Collection - Pressure Sealing Washers Screw Size (Inch): 5/8 Washer Material: Steel/Neoprene


Item #: 70909429
Brand: Value Collection
Exact Tooling IR#: 04

Features and Benefits

Steel is strong and durable, but less corrosion resistant than stainless steel. To improve its resistance to corrosion, it may receive additional finishes and coatings. Neoprene provides resistance to weather, sunlight, tearing, silicate ester lubricants, ammonia and high aniline petroleum oils. Not for use with ketones or phosphate ester fluids.

Product Specifications

Pressure Sealing Washers; Screw Size (Inch): 5/8 ; Washer Material: Steel/Neoprene
Screw Size (Inch) 5/8
Washer Material Steel/Neoprene

$37.63

2% Off All Online Orders
Use Code: 2%OFF

Best Price Guarantee - Email Us A Better Published Price and We'll Beat It