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FALL 2021

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Distributor's Link Magazine Fall 2021 / Vol 44 No 4

66 THE DISTRIBUTOR’S

66 THE DISTRIBUTOR’S LINK SPIROL INTERNATIONAL CORP. 30 Rock Avenue, Danielson, CT 06239 TEL 1-860-774-8571 FAX 1-860-774-2048 EMAIL info@spirol.com WEB www.spirol.com THE ADVANTAGES OF SPIROL STANDARD SLOTTED PINS VS ISO 8752 by Jeff Greenwood, Product Sales Engineer SPIROL manufactures two types of Slotted Spring Pins: SPIROL Standard Slotted Pins and ISO 8752 Slotted Pins. SPIROL Standard Slotted Pins offer significant advantages as compared to ISO 8752 Slotted Pins, which were originally designed to function as Dowel Bushings. Dowel Bushings are used in conjunction with bolts and isolate bolt threads from shear planes. Conversely, SPIROL Standard Slotted Spring Pins were designed to perform one of the following pinning functions without the addition of any other fastener: hinge, alignment, retention, stop, or hub/ shaft connection. While both SPIROL Standard Slotted Spring Pins and ISO 8752 Slotted Pins can be effective in an assembly, SPIROL Standard Slotted Spring Pins are easier to install and superior in form, fit, and function. Chamfer SPIROL Standard Slotted Spring Pins specify a maximum chamfer diameter to facilitate the installation process and address the common issues experienced with installing ISO 8752 Slotted Pins. For example, a Ø6mm SPIROL Standard Slotted Spring Pin has a maximum chamfer diameter of Ø5.8mm, providing 1mm clearance on either side to facilitate installation into the hole. SPIROL STANDARD SLOTTED PINS SITS DEEPER IN THE HOLE TO FACILITATE INSTALLATION ISO 8752 SLOTTED PINS ARE OFTEN DIFFICULT TO INSTALL BECAUSE THE CHAMFER DIAMETER IS NOT MUCH SMALLER THAN THE HOLE Conversely, since ISO 8752 only requires that the maximum chamfer diameter be “less than” the nominal pin diameter, this often causes installation issues. In other words, a Ø6mm ISO 8752 Slotted Pin chamfer need only measure smaller than Ø6mm. So, for example, a value of Ø5.99mm would be acceptable, leaving only 0.0005mm on either side to help get it started into the hole. TECHNICAL ARTICLE CONTINUED ON PAGE 142

THE DISTRIBUTOR’S LINK 67 SPIROL International Corporation is pleased to announce the receipt of the 2020 General Motors Supplier Quality Excellence Award. Two of SPIROL’s locations, SPIROL International Corporation in Danielson, CT, USA and SPIROL Industries Limited in Winsor, Ontario, Canada, each received notification of the awards on July 1, 2021. A Senior Supplier Quality Engineer at General Motors stated, “Suppliers who receive this award recognition have met or exceeded a very stringent set of quality performance criteria and have achieved the crossfunctional support of the entire GM organization for the calendar year 2020.” SPIROL has received the General Motors Supplier Quality Excellence Award every year since it was originally presented in 2012. According to a video presentation by General Motors’ top executives for Supplier Quality Development, “Each year, GM recognizes their top performing Supplier Manufacturing DUNS locations around the globe. This General Motors Supplier Quality Excellence Award is for those locations who consistently deliver quality products, on-time, and at-rate and with zero disruptions throughout the year.” SPIROL manufactures Coiled Spring Pins, Slotted Spring Pins, Solid Pins, Alignment Dowels and Bushings, Spacers, Compression Limiters, Inserts for Plastics, Disc Springs, Precision Metal Shims, Installation Technology Installation Technology and Vibratory Feeding Equipment. SPIROL supplies millions of engineered fastening components to General Motors’ assembly plants located around the world from several global stocking facilities. Tom Buchta, President of SPIROL Industries in Canada, said appreciatively “This award is a testament to our foundational belief in providing high quality product and exceptional service to our customers. SPIROL is committed to being a reliable supplier to General Motors, and we are proud to have received this prestigious award once again – especially during a turbulent year filled with so much uncertainty attributed to the COVID-19 pandemic.” Since 1948, SPIROL has been providing technical expertise in fastening, joining and assembly to the world’s leading manufacturers. For more information contact SPIROL at 30 Rock Avenue, Danielson, CT 06239. Tel: 1-860- 774-8571, Email: info@spirol.com or visit them online at www.spirol.com.

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