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When Simply Fastening
Isn't Enough.

APM HEXSEAL SEELSKREWS®

High-Pressure Self-Sealing Fasteners

APM'S SEELSKREWS® are designed to seal out air, water, lubricants and other liquied or gaseous contaminants. SEELSKREWS® are available in may standard thread sizes and with optional sealing materials. They can also be supplied with NYLOK®, a black anodized finish, or in a captivated (KAPTO_SKREW®) configuration

Additional information and Ordering
Pan Head - Slotted
 
Pan Head - Phillips
(Meets requirements of MS 3312 & MS3213)
Metric Pan Head - Slotted
 
Metric Pan Head - Phillips
Oversized Pan Head - Slotted
 
Recessed Head - Phillips
   
SPECIFICATIONS
Material:
Non-magnetic stainless steel (passivated). Other materials available on request. Silicone rubber per ZZ-R-765, Class I & II, Grade 70. Other seal materials available.

Temperature Range:
-160 F to +500'F (-106°C to +260°C).

Pressure Range:
Up to 6000 psi,internal and external, subject to clearance hole dimensions. Check factory for test data.

Shelf Life:
Excess of 25 years
Resistant to:
Salt water. weather, dirt, dust, sunlight, ozone and most acid

Agency Listings:
UL and CSA.

Installation:
Install in same manner as standard fasteners. Standard break-edge practices for deburring (i.e. break-sharp edges of 0.005 maximum) are permissible. Recommended clearance hole depth is 2 to 3 times thread pitch.

Minimum Thread Length:
For machine screws up to 1 1/4" long, the complete thread should extend to within two threads (or closer) of the bearing surface of the head