Products for bench top machinists | LittleMachineShop.com

Threading Tool, Internal, 1/2 Indexable

Threading Tool, Internal, 1/2 Indexable - Main image
Threading Tool, Internal, 1/2 Indexable - View 2Threading Tool, Internal, 1/2 Indexable - View 3
$45.47 $69.95 In stock

SIR0500K11 Internal Indexable Threading Tool Holder

  • Shank is 1/2".
  • Overall length (L) is 5".
  • Minimum bore is 0.64" (16.26mm)
  • F is 0.39".

Replacement insert is the 16IRA60

Insert screw is the M3.5 X 8

Wrench is the T15

Before you pay

Check the method and total at checkout.

When it ships

Allow for processing time as well as the journey to you.

Standard Shipping: Handling (business days) 0–1; Transit (business days) 7–15.

Express Shipping: Handling (business days) 0–1; Transit (business days) 7–15.

View policy
If you need a refund

Keep your order number and contact the store to start.

Please contact us for the refund processing timeframe before returning an item.

View policy
Delivery costs

Review the cost for your destination and chosen service.

Standard Shipping · United States: $0.00

Express Shipping · United States: $3.99

View policy
Returning an item

Check the return conditions before sending anything back.

United States · Return window (days after delivery): 30. Return method: By mail. Return postage: Seller pays.

View policy

Customer Reviews (5.0 / 5 · 5 reviews)

Ryan ★★★★★

I was able to thread a blind hole with just 0.64" clearance, and the 1/2 shank held rigidly without any chatter. The M3.5 screw kept the 16IRA60 insert locked tight on the first try.

Penelope F. ★★★★★

Cut threads perfectly in tight spots where my old holder couldn't fit. The 0.64" minimum bore lets me work on small parts I'd normally skip. Solidly built and the insert locks in tight without any wobble.

Violet L. ★★★★★

The shank on this one is a true half-inch, and the 5-inch overall length gives you just enough reach for most jobs without feeling flimsy. It held up fine on a few 16mm bores I threaded, though the 0.64" minimum means you're not getting into anything super tight. The M3.5 screw that holds the insert