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284

In stock

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SKU: 46ba9f2a6976 Category: Tag:

The Starrett 284 Acme Standard Screw Thread Gage is a standard for grinding and setting tools when cutting Acme threads, which have the same depth as square threads but the sides of the threads are at an inclination of 14-1/2? (29? included angle). This form of thread is used extensively and has in many instances replaced the square thread in machine construction. The advantages of the Acme thread is its strength and the ease by which it can be cut compared with square threads.

Specifications:
Point Length (in): 2 – 7/8″;Point Length (mm): 72mm;Point Material: Carbide;Handle Diameter (in): 3/8″;Handle Diameter (mm): 9.5mm

Features:
The handle is of steel, knurled, and nickel plated.;The scriber point is steel, properly hardened and finely tapered so that the location of the point is not obscured.;The scriber is held firmly in the handle by a knurled chuck and when not in use can be reversed, telescoped into the handle, and locked by the chuck.;The hexagon-shaped head prevents rolling.;Carbide Point

Manufacturer

Starrett