APM Hexseal Corp. Datasheets for Self-sealing Fasteners

Self-sealing fasteners have an elastomeric insert or captive O-ring that simultaneously provides sealing and locking.
Self-sealing Fasteners: Learn more

Product Name	Notes
Self-Sealing SEELNUT -- Nutzilla	At APM Hexseal, we’re going nuts! As we’ve worked to expand our line of self-sealing nuts, we realized that size really does matter and sometimes bigger IS better. To that...
Hexagon Head Bolt - Type ST SEELBOLT® -- 1/2-13 UNC-2A Hexagon Head Bolt - Type ST SEELBOLT® -- 1/2-20 UNF-2A Hexagon Head Bolt - Type ST SEELBOLT® -- 1/4-20 UNC-2A Hexagon Head Bolt - Type ST SEELBOLT® -- 1/4-28 UNF-2A Hexagon Head Bolt - Type ST SEELBOLT® -- 3/8-16 UNC-2A Hexagon Head Bolt - Type ST SEELBOLT® -- 3/8-24 UNF-2A Hexagon Head Bolt - Type ST SEELBOLT® -- 5/16-18 UNC-2A Hexagon Head Bolt - Type ST SEELBOLT® -- 5/16-24 UNF-2A Metric Hexagon Head Bolt -Type STM SEELBOLT® -- M10 X 1.5 6g Metric Hexagon Head Bolt -Type STM SEELBOLT® -- M12 X 1.75 6g Metric Hexagon Head Bolt -Type STM SEELBOLT® -- M6 X 1 6g Metric Hexagon Head Bolt -Type STM SEELBOLT® -- M8 X 1.25 6g Metric Pan Head Screw - Type RM Phillips Recessed SEELSKREW® -- M2 X 0.40 6g Metric Pan Head Screw - Type RM Phillips Recessed SEELSKREW® -- M2.5 X 0.45 6g Metric Pan Head Screw - Type RM Phillips Recessed SEELSKREW® -- M3 X 0.50 6g Metric Pan Head Screw - Type RM Phillips Recessed SEELSKREW® -- M4 X 0.70 6g Metric Pan Head Screw - Type RM Phillips Recessed SEELSKREW® -- M5 X 0.80 6g Metric Pan Head Screw - Type RM Phillips Recessed SEELSKREW® -- M6 X 1 6g Phillips Recessed Flat Head Screw - Type SFR SEELSKREW® -- 1/4-20 UNC-2A Phillips Recessed Flat Head Screw - Type SFR SEELSKREW® -- 10-24 UNF-2A Phillips Recessed Flat Head Screw - Type SFR SEELSKREW® -- 10-32 UNC-2A Phillips Recessed Flat Head Screw - Type SFR SEELSKREW® -- 2-56 UNC-2A Phillips Recessed Flat Head Screw - Type SFR SEELSKREW® -- 4-40 UNC-2A Phillips Recessed Flat Head Screw - Type SFR SEELSKREW® -- 6-32 UNC-2A Phillips Recessed Flat Head Screw - Type SFR SEELSKREW® -- 8-32 UNC-2A Slotted Metric Pan Head Screw - Type SM SEELSKREW® -- M2 X 0.40 6g Slotted Metric Pan Head Screw - Type SM SEELSKREW® -- M2.5 X 0.45 6g Slotted Metric Pan Head Screw - Type SM SEELSKREW® -- M3 X 0.50 6g Slotted Metric Pan Head Screw - Type SM SEELSKREW® -- M4 X 0.70 6g Slotted Metric Pan Head Screw - Type SM SEELSKREW® -- M5 X 0.80 6g Slotted Metric Pan Head Screw - Type SM SEELSKREW® -- M6 X 1 6g Slotted Metric Pan Head Screw - Type SM SEELSKREW® -- M8 X 1.25 6g Standard Pan Head Screw - Type S Slotted SEELSKREW® -- 1/4-20 UNC-2A Standard Pan Head Screw - Type S Slotted SEELSKREW® -- 1/4-28 UNF-2A Standard Pan Head Screw - Type S Slotted SEELSKREW® -- 10-24 UNC-2A Standard Pan Head Screw - Type S Slotted SEELSKREW® -- 10-32 UNF-2A Standard Pan Head Screw - Type S Slotted SEELSKREW® -- 2-56 UNC-2A Standard Pan Head Screw - Type S Slotted SEELSKREW® -- 4-40 UNC-2A Standard Pan Head Screw - Type S Slotted SEELSKREW® -- 6-32 UNC-2A Standard Pan Head Screw - Type S Slotted SEELSKREW® -- 8-32 UNC-2A Standard Pan Head Screw - Type R Phillips Recessed SEELSKREW® -- 1/4-20 UNC-2A Standard Pan Head Screw - Type R Phillips Recessed SEELSKREW® -- 1/4-28 UNF-2A Standard Pan Head Screw - Type R Phillips Recessed SEELSKREW® -- 10-24 UNC-2A Standard Pan Head Screw - Type R Phillips Recessed SEELSKREW® -- 10-32 UNF-2A Standard Pan Head Screw - Type R Phillips Recessed SEELSKREW® -- 2-56 UNC-2A Standard Pan Head Screw - Type R Phillips Recessed SEELSKREW® -- 4-40 UNC-2A Standard Pan Head Screw - Type R Phillips Recessed SEELSKREW® -- 6-32 UNC-2A Standard Pan Head Screw - Type R Phillips Recessed SEELSKREW® -- 8-32 UNC-2A	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.
Self-Sealing Locking Jam Nut - Imperial SEELNUT® -- 1/2-13 UNC-2B Self-Sealing Locking Jam Nut - Imperial SEELNUT® -- 1/2-20 UNC-2B Self-Sealing Locking Jam Nut - Imperial SEELNUT® -- 1/4-20 UNC-2B Self-Sealing Locking Jam Nut - Imperial SEELNUT® -- 1/4-28 UNC-2B Self-Sealing Locking Jam Nut - Imperial SEELNUT® -- 10-24 UNC-2B Self-Sealing Locking Jam Nut - Imperial SEELNUT® -- 10-32 UNC-2B Self-Sealing Locking Jam Nut - Imperial SEELNUT® -- 3/8-16 UNC-2B Self-Sealing Locking Jam Nut - Imperial SEELNUT® -- 3/8-24 UNC-2B Self-Sealing Locking Jam Nut - Imperial SEELNUT® -- 5/16-18 UNC-2B Self-Sealing Locking Jam Nut - Imperial SEELNUT® -- 5/16-24 UNC-2B Self-Sealing Locking Jam Nut - Imperial SEELNUT® -- 6-32 UNC-2B Self-Sealing Locking Jam Nut - Imperial SEELNUT® -- 7/16-20 UNC-2B Self-Sealing Locking Jam Nut - Imperial SEELNUT® -- 8-32 UNC-2B Self-Sealing Locking Standard Nut - Imperial SEELNUT® -- 1/2-13 UNC-2B Self-Sealing Locking Standard Nut - Imperial SEELNUT® -- 1/2-20 UNC-2B Self-Sealing Locking Standard Nut - Imperial SEELNUT® -- 1/4-20 UNC-2B Self-Sealing Locking Standard Nut - Imperial SEELNUT® -- 1/4-28 UNC-2B Self-Sealing Locking Standard Nut - Imperial SEELNUT® -- 10-24 UNC-2B Self-Sealing Locking Standard Nut - Imperial SEELNUT® -- 10-32 UNC-2B Self-Sealing Locking Standard Nut - Imperial SEELNUT® -- 3/8-16 UNC-2B Self-Sealing Locking Standard Nut - Imperial SEELNUT® -- 3/8-24 UNC-2B Self-Sealing Locking Standard Nut - Imperial SEELNUT® -- 5/16-18 UNC-2B Self-Sealing Locking Standard Nut - Imperial SEELNUT® -- 5/16-24 UNC-2B Self-Sealing Locking Standard Nut - Imperial SEELNUT® -- 5/8-18 UNC-2B Self-Sealing Locking Standard Nut - Imperial SEELNUT® -- 6-32 UNC-2B Self-Sealing Locking Standard Nut - Imperial SEELNUT® -- 7/16-20 UNC-2B Self-Sealing Locking Standard Nut - Imperial SEELNUT® -- 8-32 UNC-2B Self-Sealing Locking Standard Nut - Metric SEELNUT® -- M10 x 1.5 Self-Sealing Locking Standard Nut - Metric SEELNUT® -- M12 x 1.75 Self-Sealing Locking Standard Nut - Metric SEELNUT® -- M14 x 2 Self-Sealing Locking Standard Nut - Metric SEELNUT® -- M3 x 0.5 Self-Sealing Locking Standard Nut - Metric SEELNUT® -- M4 x 0.7 Self-Sealing Locking Standard Nut - Metric SEELNUT® -- M5 x 0.8 Self-Sealing Locking Standard Nut - Metric SEELNUT® -- M6 x 1 Self-Sealing Locking Standard Nut - Metric SEELNUT® -- M8 x 1.25	One of APM Hexseal's earliest innovations was a self-sealing hexagonal nut, or Seelnut®. Seelnuts install just like conventional nuts, and are designed for use with ordinary screws, bolts...

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