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Type RAS for sheet metal is a threaded right angle fastener that accepts standard unified or metric screws.
Unit of Measure

Thread Size

.112-40 (#4-40)

Type

RAS

Thread Code

440

Height Code

9

Length Code

4

L - Length ± .003

.121 in
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Min. Sheet Thickness

.040 in

Hole Size in Sheet + 0.002 - 0.001

.312 x .125 in

A ± .003

.308 in

C Nom.

.250 in

D Nom.

.125 in

E ± .006

.370 in

F - Height ± .006

.281 in

G Nom.

.406 in

J Nom.

.096 in

Min. Part Face to Edge K

.040 in

Min. Dist. Hole C/L to Edge M

.300 in

Thread Specification

2B per ASME B1.1

Standard Material

Steel

Standard Finish

Zinc plated per ASTM B633, SC1 (5µm), Type III, colorless

For Use in Sheet Hardness

HRB 60 (Hardness Rockwell “B” Scale) / HB (Hardness Brinell) 107 or Less

CAD Supplier

PennEngineering® (PEM®)