250 lbs Capacity/Caster Service Caster Brand Gray Polyurethane Swivel Threaded Stem Caster w/3 x 1.25 Wheel and 10mm Stem & Total Locking Brake

Gray Polyurethane Swivel Threaded Stem Caster w/3' x 1.25' Wheel and 10mm Stem & Total Locking Brake - 250 lbs Capacity/Caster - Service Caster Brand: Industrial & Scientific. Gray Polyurethane Swivel Threaded Stem Caster w/3" x 1.25" Wheel and 10mm Stem & Total Locking Brake - 250 lbs Capacity/Caster - Service Caster Brand: Industrial & Scientific. These Service Caster Series #20 Polyurethane casters offer various wheel sizes and mounting heights: 3” Wheel: 4-1/8” mounting height; 3-1/2” wheel: 4-5/8” mounting height; 4” wheel: 5-1/8” mounting height; 5” wheel: 6-1/8” mounting height; 6” wheel: 7-1/8” mounting height. Wheels are offered in five different colors – Gray, Blue, Black, Maroon, and Red. . Weight Capacity: 3" and 3.5": 250 lbs Capacity/Caster; 4", 5", and 6": 300 lbs Capacity/Caster . All casters feature a 10MM diameter (1.50 TPI x 1-1/2”) threaded stem. Threaded stems can be difficult to measure. Service Caster recommends having existing threads checked on a thread gauge to determine correct thread size before ordering. Don't see the size you need? No problem! Simply send us a message with your thread requirements and we will be happy to assist you. . Brake options include a top lock brake (TLB) or a total lock brake (TTL). The top lock brake (TLB), which is featured on 3", 3-1/2", 4", and 5" wheel sizes, places a positive locking force against the wheel tread locking the wheel only. The total lock brake (TTL), which is featured on all wheel sizes, also places a positive locking force against the wheel tread, but the total lock brake (TTL) simultaneously locks the wheel and the swivel for a complete stationary position. . Find other wheel materials, sizes and all Service Caster products at our Amazon Storefront. Click on the “by Service Caster” link above the main title on any Service Caster page listing. .

250 lbs Capacity/Caster Service Caster Brand Gray Polyurethane Swivel Threaded Stem Caster w/3 x 1.25 Wheel and 10mm Stem & Total Locking Brake

250 lbs Capacity//Caster Service Caster Brand Gray Polyurethane Swivel Threaded Stem Caster w//3 x 1.25 Wheel and 10mm Stem /& Total Locking Brake
250 lbs Capacity//Caster Service Caster Brand Gray Polyurethane Swivel Threaded Stem Caster w//3 x 1.25 Wheel and 10mm Stem /& Total Locking Brake
250 lbs Capacity//Caster Service Caster Brand Gray Polyurethane Swivel Threaded Stem Caster w//3 x 1.25 Wheel and 10mm Stem /& Total Locking Brake
250 lbs Capacity//Caster Service Caster Brand Gray Polyurethane Swivel Threaded Stem Caster w//3 x 1.25 Wheel and 10mm Stem /& Total Locking Brake

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پیشرفت سریع فنّاوری اطلاعات، تأثیرگذاری شگرف آن در حوزه‌های یادگیری و ترکیب آن با نظریه‌های تعلیم و تربیت، حوزه‌ای جدید و میان‌رشته‌ای به نام «یادگیری الکترونیکی» را پدید آورده است. در ایران نیز از سال ۱۳۸۶ جمعی از متخصصان علوم تربیتی و فنّاوری اطلاعات با برگزاری کنفرانس‌های سالیانه‌ی «یادگیری الکترونیکی» بر آن شدند تا با ایجاد انجمنی علمی، محیطی منسجم و هم‌افزا را برای توسعه‌ی این عرصه‌ی جدید در کشور پدید آوردند. سرانجام این تلاش در سال ۱۳۹۰ به بار نشست و «انجمن یادگیری الکترونیکی ایران» با مجوّز کمیسیون انجمنهای علمی کشور تأسیس شد.

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