Hello. Sign In
Standards Store
GGG-B-461 Revision A, August 17, 1966
Complete Document
Not Active, See comments below
BLOCK, STEP, MACHINISTS
Includes all amendments and changes through Cancellation Notice 1, November 27, 2012
Additional Comments: CNCL NO S/S
PDF :
$28.00 USD
In Stock
Print  :
$30.00 USD
In Stock
Print + PDF :
$40.60 USD
You save 30%
In Stock
This specification covers step blocks used for clamp supports and set-ups on laboratory and machine shop equipment.

This specification does not include all types of step blocks (machinists') that are commercially available, but is intended to cover only those generally used by the Federal Government.

Step blocks covered by this specification shall be of the following types, as specified (see 6.2):

I—Single side.

II—Multiside.

III—Adjustable.