Ultra Precision Ground 1-2-3 Block Sets

52-439-032 PRECISION 123 BLOCK SET FOWLER

Applications

• Ideal for precision layout and set-up.

Features

• Each block precision ground on all 6 surfaces.
• Case hardened to HRc 50 - 60.
• Surface finish from 6 to 16 micro inches.
• Squareness on all sides to within .0001".
• (23) Holes: (5) 3/8"-16 tapped; (18) untapped thru holes
• Oversized to allow for nominal lapping .0001"~.0003".

Includes

• A matched pair of 1" x 2" x 3" blocks.
• (5) 3/8-16 stainless steel socket head cap screws, hex key.