{"product_id":"bartell-470625-square-key-3-16-x-1-5-8-oem-replacement-part","title":"Bartell 470625 Square Key 3\/16\" x 1-5\/8\" OEM Replacement Part","description":"\u003cp\u003eThis square key locks the screed shaft drive components into precise rotational alignment, a small but critical part that, if worn or missing, can cause shaft slippage, uneven vibration transfer, and poor concrete finishing performance. Technicians servicing Bartell truss screeds should inspect the drive shaft keyways any time the screed is pulling, tearing, or failing to consolidate concrete properly, as these symptoms can stem from a compromised key connection rather than engine RPM issues alone.\u003c\/p\u003e\u003cp\u003eThe Bartell truss screed shaft operates at 3,450 to 3,600 RPM and delivers peak vibration rates of up to 14,000 VPM on Super Screed models, meaning all drive train components, including this 3\/16\" square key, are subjected to significant and continuous mechanical stress. Proper seating and retention of this key is essential before operating the screed, and it should be examined whenever the screed shaft is removed for bending adjustment or bearing housing service. The 1-5\/8\" length accommodates the shaft hub engagement depth on these models and must be replaced with the correct OEM specification to maintain drive integrity.\u003c\/p\u003e\u003cp\u003eCompatible with the following Bartell Global screed models:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eS151 Standard Screed\u003c\/li\u003e\n\u003cli\u003eS201 Super Screed\u003c\/li\u003e\n\u003cli\u003eTRUSS-SCREED\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eGenuine Bartell Global OEM part, sold by an authorized dealer.\u003c\/p\u003e","brand":"Bartell","offers":[{"title":"Default Title","offer_id":43412773142576,"sku":"470625","price":40.43,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0679\/6574\/7248\/files\/470625.jpg?v=1784315132","url":"https:\/\/cce-industries.com\/products\/bartell-470625-square-key-3-16-x-1-5-8-oem-replacement-part","provider":"CCE Industries","version":"1.0","type":"link"}