All Industrial 1 Matched Pair Ultra Precision Blocks 23 Holes Machinist

Our line of tools and accessories is carefully curated to be the perfect of blend of quality and price. All Industrial’s tool and accessory line has been a reliable choice for makers of all types for over a decade now. All Industrial 1-2-3 Blocks The All Industrial Tool Supply 55500 ultra precision 1-2-3 blocks set contains (2) individual blocks with 23 holes and is the best value in set-up blocks. Often referred to 123 blocks, this set measures 1″ wide x 2″ long x 3″ high with a squareness of +/- 0.0002″. These set-up blocks have 5 tapped holes (3/18-16 thread) and 18 untapped holes. The threaded holes allow the blocks to be bolted to one another in order to use them in a variety of set-up or measurement options. Note the untapped holes are not large enough for a 3/8-16 bolt to pass through (they aren’t “thru-holes”) but they can be used to create larger or more complex configurations. Features Sold as one pair Heat treated and case hardened to HRC 57-62 Made of precision-grade tool steel hardened and ground on all 6 sides of block Accuracy and squareness on all sides within .0002″ 23 holes Includes (5) 3/8-16 threaded holes for clamping and (18) untapped holes Cross drilling design allows for efficient use of lower weight with maximum strength Dimensions- 1″ x 2″ x 3″ Warning: This product can expose you to materials and/or chemicals including arsenic, lead, and other materials and/or chemicals which are known to the state of California to cause cancer and/or reproductive harm.

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Carrier: UPS/FedEx/USPS. Delivery Timescale: More than 90% of orders arrive in 10 business days after despatch.

FREE RETURNS on all orders!
The following conditions must be met:

1. Items must be returned within 30 days after the purchase date.
2. Items must be unworn, undamaged and in original packaging.