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Our catalog is available online as a complete download, or you can browse information about our product series. Please select how you would like to access our catalog information. REQUEST CATALOG DOWNLOAD | BROWSE PRODUCT SERIES REQUEST A CATALOG DOWNLOAD AND OTHER INFORMATIONOur complete catalog is available for download in PDF format. Please fill out the customer information form completely to instantly download your copy. You can also browse product information about a specific series.NM Series![]() Purple Tork Lok® Nylon Insert Machine Screw Pattern, Standard Height Machine screw threaded application #2 --- #12 Catalog Information NTM Series![]() Purple Tork Lok ® Nylon Insert Locknut Machine Screw Pattern, Thin(Jam) Height Machine screw threaded application where thin nut is required #2 --- #12 Catalog Information NE Series![]() Purple Tork Lok ® Nylon Insert Light Hex, Standard Height For Fractional Bolt thread application 1/4" --- 11/2" Catalog Information NTE Series![]() Purple Tork Lok ® Nylon Insert Locknut Light Hex, Thin Height For Fractional Bolt thread application where thin Height is required 1/4" --- 11/2" Catalog Information NU Series![]() Purple Tork Lok ® Nylon Insert Locknut Heavy Hex, Full Height Type NU Nuts are alternative Self Locking Nuts designed for the American Standard Heavy Hex series 1/4" --- 3" Catalog Information NTU Series![]() Purple Tork Lok ® Nylon Insert Locknut Heavy Hex, Thin Height Type NTU Nuts are designed for the American Standard Thin Heavy Hex series 1/4" --- 3" Catalog Information NE8 Series![]() Purple Tork Lok ® Nylon Insert Locknut Light Hex, Grade 8 NE8 Series for High Tensile Grade 8 application Double notched corners per IFI specifications 1/4" --- 11/2" Catalog Information NTE8 Series![]() Purple Tork Lok ® Nylon Insert Locknut Light Hex, Thin Height, Grade 8 NE8 Series for High Tensile Grade 8 application where Thin Height is required Double notched corners per IFI specifications 1/4" --- 11/2" Catalog Information NU8 (NU1610) Series![]() Purple Tork Lok ® Nylon Insert Locknut Heavy Hex, Grade 8 Type NU8 Nuts are designed for the American Standard Heavy Hex series where High Tensile Grade 8 application is critical Double notched corners per IFI specifications 1/4" --- 3" Catalog Information NTU8 (NTU1610) Series![]() Purple Tork Lok ® Nylon Insert Locknut Heavy Hex, Thin Height Grade 8 Type NTU 8 Nuts are designed for the American Standard Heavy Thin Hex series where High Tensile Grade 8 application is critical Double notched corners per IFI specifications 1/4" --- 3" Catalog Information N1268 Series![]() Purple Tork Lok ® Nylon Insert Locknut High Hex, Grade 8 Designed for applications that require pre-stressing high strength Bolts to their elastic limits. Provides extra threaded length and Hex Height attaining uniform thread loading and adequate wrenching area Double notched corners per IFI specifications 1/4" --- 11/2" Locking Insert: Purple nylon (250 ° F max. performance) white and staked available. Material: Steel (A1S1-C1137 or equivalent) Heat treated Rockwell C 26-34. Catalog Information CLC Series![]() All Metal Locknut All Metal, Grade C Toplock CLC series Automation Style Locknut. Heat TreatedHeat Treated 1/4" --- 2" Catalog Information NKM/NKE/NKTM/NKTE Nylon Insert/Cap Locknuts![]() Purple Tork Lok ® Nylon Insert Cap Locknut Hex Nylon Cap Locknuts Type NKM/NKE/NKTM/NKTE Cap Nuts are designed for use in applications where, for reasons of safety or appearance, it is desirable to cover exposed bolt ends. Suitable for sealing internal or external pressures up to 80 PSI past the bolt threads. Purple/ Black/ White/ Gray Caps available #4 --- 12" Catalog Information WC Series![]() Purple Tork Lok ® Nylon Insert Wingnut Locking Wing Nuts, Nylon Insert Only locking device with Nylon Insert that may be installed and backed off by hand #5 --- 12" Catalog Information 1660 Series![]() Purple Tork Lok ® Nylon Insert Locknut Miniature Hex Nylon Inserts Radar, radio equipment, electronics, computers, switch instruments, and related products where design requires miniaturization and reduced installation clearance #0 --- #4 Catalog Information NMRH (NM107, 408 & 2234) Series![]() Purple Tork Lok ® Nylon Insert Locknut Reduced Hex Nylon Insert Locknuts Across flats hexagons are undersized Nut standards. They are offered for use for applications where wrench clearances are limited #6 --- 1/4" Catalog Information NCFMA Series![]() Purple Tork Lok ® Nylon Insert Locknut Miniature Clinch Flush Mounting Nylon Type NCFMA Parts used in applications involving installation in thin aluminum, soft steel sheets or plates having small mounting areas making the use of a Miniature Fixed Nut desirable #2 --- #10 Catalog Information LHCFM Series![]() All Metal Locknut All Metal Miniature Flush Mounting Type LHCFM Parts used in applications involving installations in thin aluminum, soft steel sheets or plates having small mounting areas making the use of a a Miniature Fixed Nut desirable Used in applications where heat is greater than 250 F or subject to an acidic application #2 --- 1/4" Catalog Information NC Clinch Locknut![]() Purple Tork Lok ® Nylon Insert Locknut Clinch Hex Nut Nylon Insert Locknut Captive Self Locking Fastener Installed In Aluminum or soft sheet steel. Provides load bearing threads in sheet metal and offers a reliable method of blind fastening Available in six different shank lengths per diameter size #4 --- 5/16" Catalog Information ND Spline Nut![]() Purple Tork Lok ® Nylon Insert Locknut Spline Nylon Insert Locknuts A self Wrenching Nut designed for either blind hole application or where maintenance can be facilitated by the use of a captive fastener #8 --- 1/2" Catalog Information NKCFM Series![]() Purple Tork Lok ® Nylon Insert Cap Locknut Miniature Clinch Flush Mounting Nylon The Nylon Cap covers protruding threads in an NCFMA application #2 --- #10 BRN Series![]() Purple Tork Lok ® Nylon Insert Locknut Bearing Retainer Nylon Insert Locknut Excellent for bearing applications where space is limited: Cylinders, Bearing Race Retainers, Pinion Shafts SAE#N03 -- SAE#AN15 -- AN18 Catalog Information M2DN (DIN982) Series![]() Metric Nylon Insert Locknuts To DIN 982 Steel Class 6, 8, & 10 M5 --- M24 Catalog Information M5DN (DIN985) Series![]() Metric Nylon Insert Locknuts To DIN 985 Steel Class 6, 8, & 10 Brass Stainless Steel A2 (18/8) & A4 (316) M3 --- M30 M4 --- M10 M2.5 --- M10 Catalog Information KL Series![]() All Metal Assembly Hex Nut/Tooth Washer Locknut Assembly #4 --- 1/2 Including Small Catalog Information TL Series![]() All Metal Locknut Reversible Hex All Metal Locknuts Finished Hex Nut pattern with reversible locking feature on center of Hex flats #10 --- 1" Catalog Information SL Series![]() All Metal Locknut All metal serrated flange Hex Locknut Serrations on bottom of Flange cause large bearing surface diameter to lock into mating surface #10 --- 1/2" Catalog Information |