labwork 1 Pair Accuracy 2-4-6 Blocks 23 Holes Matched 0.0003 Inch Machinist 246 Blocks

Description:

1 pair accuracy ground machinist 2-4-6 blocks with 23 holes. Made from accuracy-grade tool steel, hardened and ground on all 6 sides, these blocks are suitable for layout, inspection, machining setup, and precision workholding applications.

Specifications:

Type: Machinist 2-4-6 Blocks

Quantity: 1 Pair

Block Size: 2 x 4 x 6 in

Hole Quantity: 23 Holes Each

Hole Size: 3/8 in

Tapped Holes: 5 Holes with 3/8-16 Threads

Untapped Holes: 18 Through Holes

Material: Accuracy-Grade Tool Steel

Hardness: HRC 57-62

Overall Size Tolerance: ±0.0003 in

Flatness and Parallelism: Within 0.0003 in

Squareness on All Sides: Within 0.0003 in

Matched Pair Tolerance: 0.0002 in

Features:

Made of accuracy-grade tool steel for strength and reliable precision.

Hardened and ground on all 6 sides of each block.

Heat treated and case hardened to HRC 57-62 for durability.

Accurate dimensions and squareness within 0.0003 in.

Matched pair tolerance of 0.0002 in supports precise setup work.

23-hole design includes tapped and untapped holes for flexible clamping and positioning.

Cross drilling design helps reduce weight while maintaining strength.

Suitable for machining, layout, inspection, and workholding applications.

Package Includes:

1 Pair x 2-4-6 Machinist Blocks

Note:

Please confirm size and hole specifications before purchasing.

Apply proper rust prevention and storage care after use to maintain accuracy and service life.