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Weaver Drill and Tap Set 8/40-28

by Weaver
4.1 out of 5 stars 13 customer reviews

Price: $14.60 & FREE Shipping on orders over $49. Details
Only 18 left in stock (more on the way).
Want it tomorrow, April 7? Order within and choose One-Day Shipping at checkout. Details
Ships from and sold by Amazon.com. Gift-wrap available.

Holiday Deals in Tools & Home Improvement Woodworking Deals in Tools & Home Improvement

$14.60 & FREE Shipping on orders over $49. Details Only 18 left in stock (more on the way). Ships from and sold by Amazon.com. Gift-wrap available.

Frequently Bought Together

  • Weaver Drill and Tap Set 8/40-28
  • +
  • Weaver Drill and Tap Set 6/48-32
  • +
  • Hanson 1221 - Bottom 6-48 Ns
Total price: $34.38
Buy the selected items together


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Product Details

  • Item Weight: 1.6 ounces
  • Shipping Weight: 2.4 ounces (View shipping rates and policies)
  • Domestic Shipping: Item can be shipped within U.S.
  • International Shipping: This item is not eligible for international shipping. Learn More
  • ASIN: B000LC7LV8
  • Item model number: 40021
  • Average Customer Review: 4.1 out of 5 stars  See all reviews (13 customer reviews)
  • Amazon Best Sellers Rank: #131,715 in Sports & Outdoors (See Top 100 in Sports & Outdoors)


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Customer Questions & Answers

Customer Reviews

Top Customer Reviews

Verified Purchase
I ordered this to cut some threads into my SKS to mount a scope. I lucked onto a used drill press (16 speed) for $50 and used that to chuck the drill bit and bore the holes at about 800 RPM. I used a small adjustable wrench on the tap for the handle along with a tap guide to ensure I kept things straight. The tap worked perfectly and the screws went in smoothly and hold tight. I definitely recommend this set to create perfect screw holes for the 8-40 screws.
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Verified Purchase
There's nothing fancy about it. It's a drill bit and a tap. They worked fine. This is the larger size Weaver uses. It fit the screws supplied with my #1 Side Mount.

The drill bit worked fine. I drilled through the steel on my busted up old Mauser receiver just fine. Make sure you use a cutting oil when drilling and tapping. Be sure to back the tap out every half turn to clean out debris and apply new oil.

All three holes took about 10 minutes.

The bit and tap got the job done. I only used them once (three holes), but they worked fine and didn't break. That's what I bought them for, so I'm happy!
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Verified Purchase
Hard to find elsewhere or more expensive. This is a great deal. Shipping is fast. Both bit and tap are very sharp. This is a through tap not a blind tap. Use on through holes only.
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Verified Purchase
In the old days, you didn't get much better than Hansen drill bits and taps. I guess not so these days. I needed to drill and re-thread a scope mount on a steel receiver. This set did a fine job, as long as the tap was sharp. Unfortunately, that was only for 2 1/2 holes! I know better than to try and force a tap so, I'll have to buy another!
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Verified Purchase
I purchased this for my Rossi 92 Lever Action and the Weaver side mount. The drill and tap set make it much more convenient than having to order from my usual tool place. I highly recommend these if you are trying to install an older side mount assembly.
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By Acejewell on March 9, 2013
Verified Purchase
Seems to be good quality tap and drill. Have used the tap to re-thread on older spope mounts. Price was reasonable and the shipping was very quick.
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Verified Purchase
worked like a charm just keep the tap straight
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