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[Information] "Basic Knowledge of Screws - About Screw Fastening"

Using illustrations to clearly explain case studies of problems caused by excessive tightening based on basic information!

Screw fastening refers to the process of fastening two or more components using screw parts. This document summarizes the surrounding knowledge of "screw fastening" in an easy-to-understand manner using illustrations. If you have any concerns regarding screws, please feel free to consult our company, which has world-class screw production capabilities. [Contents] ■ What is screw fastening ■ Examples of screw fastening ■ Problems caused by over-tightening Others *For more details, please refer to the PDF document or feel free to contact us.

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basic information

【Examples of Problems Due to Over-tightening】 ■ Breakage of the male thread body ・Occurs with metal counterpart materials ・Occurs with hard resin counterpart materials ■ Thread shear: Occurs when using small screws and the strength of the female thread is high ■ Breakage of the female thread: Occurs when the counterpart material is resin ■ Dimpling of the joined object: Occurs when the joined material is soft or when the joined material is thin *For more details, please refer to the PDF document or feel free to contact us.

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For more details, please refer to the PDF document or feel free to contact us.

catalog(77)

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[Knowledge of Screws] About Screw Fastening - Catalog

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Basics of Screws: Learn about the Parts, Names, and Dimensions of Screws - Catalog

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Special Head Locking Screw "Cup Screw(R)" Catalog

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[Information] "What is the difference between small screws, tapping screws, and tap-tight screws?" Catalog

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[Information] "Knowledge of Screws - Commonly Used Head Shape Dimensions" Catalog

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Interference-type anti-loosening screw 'Apslock(R)' Catalog

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[News Release] Developed Cross-Recessed Screw 'ShareCross(R)' Catalog

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Screw Cross Hole "Sharecross(R)" Catalog

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Screw Cutting Powder Adhesive Type Screw 'CP Grip(R)' Catalog

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Dissimilar Metal Joining Technology "AKROSE(R)" Catalog

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Dissimilar Metal Joining Technology "AKROSE HYBRID(R)" Catalog

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Special Drive Screw 'Torx(R)' Catalog for Preventing Cam-Out

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Composite Parts <Fastener + Alpha> Catalog

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Special Cold Forged Parts Catalog

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Catalog of Gear Parts Made by Forging and Rolling Processes

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Cross-recessed flat head screw "LamiX(R) / LamiMate(R)" Catalog

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Power Lock® Screw - Catalog for Interference Type Locking Screws

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[News Release] Developed a metal coating technology utilizing dissimilar metal joining technology 'AKROSE(R)' - Catalog

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O-ring embedded screw "Asfa(R) WP" catalog

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Rim Out Prevention Drive Unit Screw 'Tough Cross(R)' Catalog (Fastening Technology Report)

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Catalog for the discontinued screw "Colorless Tight(R)" with iron color insert nut.

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Catalog for Special Drive Screw 'Torx Plus(R)' for Preventing Cam-Out

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"RamiMate + Tough Cross" Special Head Screw "RamiMate(R)-J" Catalog

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Flange-type locking screw "Cup Bolt (TM)" catalog

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Resin Insert Type Locking Screw "Long Lock(R)" Catalog

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Special Cold Forged Parts Micro Former Parts Catalog

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Dissimilar Metal Joining Technology 'AKROSE(R)' Q&A Catalog

OTHER

Screw Through Stop Inspection Sorting Device Catalog

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Self-tapping screws for resin "P-Tight(R)-II" Catalog

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Friction Coefficient Stabilizer "Flicks(R)" Catalog (Fastening Technology Report)

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Metal Self-Tapping Screws for High Tensile Steel Plates 'Armor Tight(R)' Catalog (Fastening Technology Report)

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Clenching Stud Bolt "Strux(R)" Catalog

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Anti-removal special drive screw 'TPR(R)' catalog

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Groove + Threaded Mountain Double Interference Type Locking Screw 'Fit Tight(R)' Catalog (Fastening Technology Report)

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Design Screw "Neo Color Mate(R)" Catalog

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High Frequency Quenching Screw "Coreflex(R)-I" Catalog (Fastening Technology Report)

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Driver Screw Tightening Tool Catalog

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Single Spindle Screw Driving Machine 'FM513VZ' catalog

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Catalog for the Single Spindle Screw Driving Machine for Self Drilling Screws 'FM530C'

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Thread Inspection Robot Catalog

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Self-tapping screws for resin "P-Tite(R)" catalog

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Carbonitriding + High-Frequency Hardening Self-Tapping Screw 'KATAX(R)-CI' Catalog

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Self-tapping screws for resin "M Tight(R)" catalog

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Metal Self-Tapping Screw "RS Tight(R)" Catalog

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Self-tapping screws for thin metal plates "Lamitite(R)" Catalog

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Special Drive Part Screw "Torx(R) Hole Stop Screw" Catalog

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Locking screw "Fit Lock(R)" catalog

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Special Head Loose Stop Screw "Serrated Screw" Catalog

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Self-tapping screws for soft metals "AlumiTite(R)" Catalog

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New Generation Self-Tapping Screw "TapTite(R) 2000" Catalog

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Self-tapping screws for resin thin plates 'PS Tight(R) II' Catalog (Fastening Technology Report)

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Self-tapping screws for soft resin "PC screws" catalog

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Special Drive Screw 'Torx Plus® 5-Blade' Catalog

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Catalog for RedN(R) Special Loose Prevention Screw for Glasses Hinges

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[News Release] Clinching Stud Bolt "JOISTUD(R) -FH" Catalog

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Self-tapping screws for resin and metal "TapTite(R)" catalog

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Clenching Stud Bolt "JOISTUD(R) Series" Catalog

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Self-tapping screws for magnesium alloys "Magtite(R)" Catalog

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Zero Cross® Special Drive Screw for Preventing Hole Deformation in Drive Parts - Catalog (Fastening Technology Report)

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Thin plate stop loose stop screw "Asu-Fu(R)" Catalog (Fastening Technology Report)

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Position Correction Camera Equipped Screw Tightening Robot 'SR580Yθ-Z-VR' Catalog

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Catalog for Resin Use Locking Self-Tapping Screw "Gizatite(R)"

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Yθ type screw tightening robot 'SR580/RC7000 series' catalog

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Screw Guide Variable Stop Position Screw Tightening Robot 'SR580Yθ-ZZ' Catalog

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Self-tapping screws for magnesium alloys "MagTite(R) CP" catalog

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Special Drive Part Screw "Paint Cross(R)" for Preventing Paint Peeling - Catalog (Fastening Technology Report)

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[News Release] Locking Screw "NC Grip(R)" Catalog

OTHER

Catalog for Carbon Fiber Reinforced Plastic Screws "CF Tight(R)"

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[News Release] New Release of the Screw Tightening Robot 'SRSR580/RC7000' Series Compatible with Multiple Models! Catalog

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Single Spindle Screw Driving Unit 'FEEDMAT(R) FM Series' catalog

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Tabletop Screw Tightening Robot 'SR395DT' Catalog

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NATRUNNER "NX Driver (NX020T2_NX050T2_NX100T2)" Catalog

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NATRUNNER "NX Driver (High Torque Compatible Type)" Catalog

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NATRUNNER "NX Driver SD600T" Catalog

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Nutrunner "KX Driver" Catalog

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Fastening Products Digest Catalog

CATALOG

KX Driver, NX Driver Frequently Asked Questions and Answers Catalog

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We want to be of even more help to our customers. NITTOSEIKO's technology supports global manufacturing. NITTOSEIKO is a unique company that specializes in industrial fasteners (screws), automatic assembly machines, measurement and control systems, and cleaning and inspection equipment - areas not covered by other companies. We are a total fastening solutions provider, manufacturing and selling not only screws but also screw manufacturing tools, driver bits, screw tightening machines, assembly equipment, measurement instruments, cleaning equipment, and inspection equipment. Based on our expertise in fastening technology, assembly technology, and measurement technology, we have established three business divisions and a medical division to develop cutting-edge products. Our operations span both domestic and international markets, supporting the growth of various industries, including home appliances and automobiles, and contributing to the enrichment of people's lives. We will continue to create valuable products for our customers and work together with them to pioneer new frontiers in manufacturing.