• 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 0.0002"
  • 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", 2.1 lbs. weight
  • 100% Satisfaction Guaranteed!
Notes:The 23-hole parallel spacer has smooth holes with an inner diameter of 8.9 mm. These smooth, unthreaded holes are structural holes designed specifically for weight reduction and to relieve heat treatment stress; screws with an outer diameter of 9.525 ...

High Precision 1-2-3 Blocks 23 Holes .0002" Machinist 123 Jig 10 Matched 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 0.0002"
  • 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", 2.1 lbs. weight
  • 100% Satisfaction Guaranteed!

Notes:
The 23-hole parallel spacer has smooth holes with an inner diameter of 8.9 mm. These smooth, unthreaded holes are structural holes designed specifically for weight reduction and to relieve heat treatment stress; screws with an outer diameter of 9.525 mm cannot be inserted through them. The spacer’s threaded holes are designed to accommodate screws with an outer diameter of 9.525 mm and are intended specifically for locking multiple spacers together. If assembly through the smooth holes is required, bolts with a shaft diameter less than 8.9 mm must be used; forcing larger screws through the holes is strictly prohibited.



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Orders will be shipped out via Carrier USPS or FedEx .

Delivery time :

When you find track information is abnormal or not get goods , please feel free to email contact us first for troubleshooting, Don"t open dispute case immediately Please.

Warrenty & RMA

Warranty for defective items (excluding items damaged and/or misused after receipt).
In order to return an item you must contact us to request a RMA No.
Please returned items in the original packaging, fill in RMA number on package, and PROVIDE us reason for the return, and your eBay ID.

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If there are any item or delivery problems, please email contact us first, BEFORE you leave neutral or negative feedback, or 1,2,3 ratings, so that we can address your concerns. Please give us the opportunity to resolve any problem.
Usually, we response your email in 1 business day.

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High Precision 1-2-3 Blocks 23 Holes .0002" Machinist 123 Jig 10 Matched Pair


Usually we arrange shipping in 3 business day after payment confirmed.
Orders will be shipped out via Carrier USPS or FedEx .

Delivery time :

When you find track information is abnormal or not get goods , please feel free to email contact us first for troubleshooting, Don"t open dispute case immediately Please.

Warranty for defective items (excluding items damaged and/or misused after receipt).
In order to return an item you must contact us to request a RMA No.
Please returned items in the original packaging, fill in RMA number on package, and PROVIDE us reason for the return, and your eBay ID.

We hope you have a pleasant shopping experience with us and satisfy 100%.
If there are any item or delivery problems, please email contact us first, BEFORE you leave neutral or negative feedback, or 1,2,3 ratings, so that we can address your concerns. Please give us the opportunity to resolve any problem.
Usually, we response your email in 1 business day.

[ Default Others: This is the contents of your Others. You can add a banner for this Others as header and add text descriptions here. The text descriptions can be different Font Size, Font Color, Style and even graphics and icons are also accepted. ]


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On Sep 1, 2026 at 05:20:51 PDT, seller added the following information:

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