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Description
Drillco® Oversize Spiral Point Tap, High Speed Steel, 5/16"-18 ThreadOversize taps are similar in design to a standard taps but with a pitch diameter that is usually 0. 0050 to 0. 0055 larger than standard Oversize taps are used primarily where a part will be plated or treated after tapping Specifications Material High Speed Steel Thread Size 5 16" 18 No. Of Flutes 2 Chamfer Type Plug Finish Black Oxide Country Of Origin United States
- Oversize taps are similar in design to a standard taps but with a pitch diameter that is usually 0.0050 to 0.0055 larger than standard
- Oversize taps are used primarily where a part will be plated or treated after tapping
Specifications
Material
High Speed Steel
Thread Size
5/16"-18
No. Of Flutes
2
Chamfer Type
Plug
Finish
Black Oxide
Country Of Origin
United States
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.3 ★★★★★
Based on 29 reviews
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Product Reviews
★★★★★ 5
Well-made!
Size: Large, Color: Black
Son-in-law looked very handsome in this their wedding day!
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Reviewed in the United States on April 23, 2026
★★★★★ 5
Perfect
Size: X-Large, Color: Light Grey
True Size. Fit perfectly. 5’10 200. Ordered an XL. Good quality and worth the money
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Reviewed in the United States on January 18, 2026
★★★★★ 5
I would buy again!
Size: Large, Color: Burgundy
I bought this set for my son's high school graduation back in May! Came quickly, and it was exactly what we needed. It fit as described, and looked very nice during the ceremony, along w his cap n gown. Well worth the $ spent!
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Reviewed in the United States on December 10, 2025
★★★★★ 5
Nice
Size: Medium, Color: White
Fit well for my son, he’s 6ft and 170
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Reviewed in the United States on January 22, 2026
★★★★★ 5
Love it
Size: X-Large, Color: Mint Green
Love the look, fits perfectly, great material.
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Reviewed in the United States on May 15, 2026