From our CV173 Series:

CV 173-030

KOENIG EXPANDER® plugs effectively seal drilled holes. These parts feature a serrated sleeve which expands as the ball is inserted, enlarging the part to the needed size and sealing the hole. For installation, push-style expanders require a hole drilled with a counter bore.

Specifications for: CV 173-030

d1 d2 +0.10 / -0 d3 Max l1 (l2) ~ Ref. l3 min. x ±0.1 (s) ~ Ref. Packaging Unit Weight in gram/pcs.
3 3 2.3 3.18 4.1 2.9 0.2 1 100 / 1000 0.09
d1 3
d2 +0.10 / -0 3
d3 Max 2.3
l1 3.18
(l2) ~ Ref. 4.1
l3 min. 2.9
x ±0.1 0.2
(s) ~ Ref. 1
Packaging Unit 100 / 1000
Weight in gram/pcs. 0.09

* SFC KOENIG’s North American Engineering Department utilizes 2024-T4/T6 as a test base material.