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303 Stainless Steel Thumb Screw, Plain Finish, Knurled Head, 3/8" Length, Fully Threaded, #8-32 UNC Threads, Made in US (Pack of 5)

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5 out of 5 stars 9 customer reviews

Price: $14.07 ($2.81 / Shoulder Srews) & FREE Shipping on orders over $49. Details
Only 2 left in stock (more on the way).
Want it Tuesday, April 12? Order within and choose One-Day Shipping at checkout. Details
Ships from and sold by Amazon.com.

Product Specifications
Part Number B005RTCL1K
Head Diameter 3/8  inches
Head Height 3/16  inches
Overall Length 3/8  inches
Size #8-32
Thread Size #8-32
Thread Coverage Fully Threaded
Import Designation Made in US
Indentation Hardness 83  Rockwell B
Number of Items 5
Thread Class 2A
Thread Style UNC
Specification for this product family (See all  products)
Brand Name Small Parts
Material Type Stainless Steel
System of Measurement Inch
Drive Style Knurled , Thumb
Exterior Finish Plain
Grade 303
Head Style Knurled
Thread Style Right Hand
UNSPSC Code 31161516

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Product Features

  • Thumb screw for simple "by-hand" installation
  • Stainless steel 303 provides better corrosion resistance than steel
  • Diamond knurl has extra grip for manual tightening
  • Longer head length than standard thumb screw for easier adjusting

Product Details

  • Shipping Weight: 0.8 ounces (View shipping rates and policies)
  • Domestic Shipping: Item can be shipped within U.S.
  • International Shipping: This item can be shipped to select countries outside of the U.S. Learn More
  • ASIN: B005RTCL1K
  • Item model number: 4218
  • Average Customer Review: 5.0 out of 5 stars  See all reviews (9 customer reviews)
  • Amazon Best Sellers Rank: #23,445 in Industrial & Scientific (See Top 100 in Industrial & Scientific)


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Top Customer Reviews

Thread Size: 1/4"-20Thread Coverage: Fully ThreadedFastener Size: #10-12Number of Items: 5Overall Length: 1-1/2 Verified Purchase
Great thumb screws. I've been using them on my boat to replace the engine cover bolts, and they make removing it much much easier. I'm also using them to replace some older plastic topped seat retainers in the boat, and they work well for that as well. They are low profile which means they don't stick up very high, which gives them a sleek look. Just beware that if you tighten them all the way down against a floor...etc, they may be somewhat hard to unscrew because they are low profile, I'd recommend a lock-nut and a washer between them and what you are holding down/securing.
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Thread Size: #10-32Thread Coverage: Fully ThreadedFastener Size: #10-12Number of Items: 5Overall Length: 3/4 Verified Purchase
The threads were even more finely finished than the illustrations show. The knurling on the handle gives a great grip. I am very pleased with the product, and would definitely purchase from this company again.
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Thread Size: #4-40Thread Coverage: Fully ThreadedFastener Size: #10-12Number of Items: 5Overall Length: 1/2 Verified Purchase
Good quality in a hard-to-find part I needed to repair an old telescope. These screws are much tougher than the original parts.
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By 650 on April 24, 2015
Thread Size: #10-24Thread Coverage: Fully ThreadedFastener Size: #10-12Number of Items: 5Overall Length: 3/4 Verified Purchase
Super quality; better than expected!!!
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Thread Size: 1/4"-20Thread Coverage: Fully ThreadedFastener Size: #10-12Number of Items: 5Overall Length: 1-1/2 Verified Purchase
As expected. Good quality
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