• APM Hexseal® Standard Seelskrew® 0.225 Inch (in) Maximum Head Diameter (C) Standard Flat Head High-Pressure Self-Sealing Screw with Cross Recess Drive - Image 1
  • APM Hexseal® Standard Seelskrew® 0.225 Inch (in) Maximum Head Diameter (C) Standard Flat Head High-Pressure Self-Sealing Screw with Cross Recess Drive - Image 2
  • APM Hexseal® Standard Seelskrew® 0.225 Inch (in) Maximum Head Diameter (C) Standard Flat Head High-Pressure Self-Sealing Screw with Cross Recess Drive - Image 3
  • APM Hexseal® Standard Seelskrew® 0.225 Inch (in) Maximum Head Diameter (C) Standard Flat Head High-Pressure Self-Sealing Screw with Cross Recess Drive - Image 4
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APM Hexseal® Standard Seelskrew® 0.225 Inch (in) Maximum Head Diameter (C) Standard Flat Head High-Pressure Self-Sealing Screw with Cross Recess Drive

APM Hexseal® Standard Seelskrew® 0.225 Inch (in) Maximum Head Diameter (C) Standard Flat Head High-Pressure Self-Sealing Screw with Cross Recess Drive

APM-dc58e3

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$49.99
$49.99
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APM Hexseal® Standard Seelskrew® 0.225 Inch (in) Maximum Head Diameter (C) Standard Flat Head High-Pressure Self-Sealing Screw with Cross Recess Drive

APM Hexseal® Standard Seelskrew® 0.225 Inch (in) Maximum Head Diameter (C) Standard Flat Head High-Pressure Self-Sealing Screw with Cross Recess Drive

$49.99

Quantity: 1

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APM Hexseal® Standard Seelskrew® 0.225 Inch (in) Maximum Head Diameter (C) Standard Flat Head High-Pressure Self-Sealing Screw with Cross Recess Drive

APM Hexseal® Standard Seelskrew® 0.225 Inch (in) Maximum Head Diameter (C) Standard Flat Head High-Pressure Self-Sealing Screw with Cross Recess Drive

$49.99

Quantity: 1

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In addition to fastening, our self-sealing screws and bolts offer a reliable and reusable seal, preventing (or containing!) contamination from dust, air, water, lubricants and other liquid or gaseous substances. They are also vibration resistant, making them a great choice for applications that encounter day-to-day jarring, or repetitive movement.Should you need a more serious level of vibration resistance, our screws and bolts are available with additional locking features, such as self-locking pellets, strips and patches. Seelskrews® and Seelbolts® are available in many standard thread sizes and with various o-ring elastomer options. Some additional customizations include specialty thread-forming variations, tamper-resistant drives, thread captivation, as well as paint and finish options.

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Product Specifications

Additional Information
APM Hexseal® holds the notable distinction of having designed and patented the very first self-sealing fasteners, which became our trademarked Seelskrews® and Seelbolts®.APM Hexseal®'s UL and ULC Recognized Components conform to UL Standard 50. Contact us for a complete list of our Recognized Components and ratings.
Material Specifications Enclosure Protection
International Electrotechnical Commission (IEC) Ingress Protection (IP66)|Ingress Protection (IP68) (A dual IP code rating indicates that both ratings apply.)
Material Specifications Materials
18/8 Stainless Steel
Material Specifications O Ring Elastomer
Class 2 | GR60 | GR70 | Red (Alternative O-Ring Elastomers are Available.) | Silicone Conforms to A-A-59588
Material Specifications Pressure Range
0 to 20,000 psig
Material Specifications Resistant To
Dust | Fungus | Lubricating Oils | Most Acids | Ozone | Salt Spray | Splash | Sunlight | Weather
Material Specifications Shelf Life
Excess of 25 Years
Material Specifications System Of Measurement
Imperial
Material Specifications Temperature Range
-80 to 425 ºF | -62 to 219 ºC
Material Specifications Thread Size
4-40
Material Specifications Thread Type
Unified National Coarse (UNC)
Material Specifications Treatment
Passivated
Note
Proudly manufacturing in the USA for 70 years.Please contact us directly for additional parts and alternative size options.Standard Flat Head (Standard APM Hexseal® Flat Head Seelskrews® have a 100º head angle.)Standard for stock screws and bolts.
Note For Available Lengths L
Available in Increments of 1/16" Up to 5/8” Length, and 1/8" from 5/8" Length Up. Tolerance for Lengths Up to 1" is + 0 -1/32". Tolerance above 1" is + 0 -1/16".
Specifications Available Lengths L
1/4 to 1 in
Specifications Class
2A
Specifications Drive Size
#1
Specifications Drive Style
Phillips
Specifications Features
High-Pressure | Sealing
Specifications Head Type
Flat
Specifications Industry Standards
Underwriters Laboratories (UL) | Underwriters Laboratories of Canada (ULC) | Registration, Evaluation, Authorization, and Restriction of Chemicals (REACH) | Restriction of Hazardous Substances (RoHS) | Defense Federal Acquisition Regulation Supplement (DFARS) Compliant | International Organization for Standardization (ISO 9001:2008) Registered
Specifications Maximum Head Diameter C
0.225 in
Specifications Maximum Recommended Clearance Hole Depth
0.075 in
Specifications Maximum Recommended Clearance Hole Diameter
0.129 in
Specifications Minimum Recommended Clearance Hole Depth
0.050 in
Specifications Minimum Recommended Clearance Hole Diameter
0.125 in