From our CV173 Series:

CV 173-120

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 173-120

d1 d2 +0.10 / -0 d3 Max l1 (l2) ~ Ref. l3 min. x ±0.1 (s) ~ Ref. Packaging Unit Weight in gram/pcs.
12 12 11 13 18 12.8 0.2 5.1 50 / 250 7.06
d1 12
d2 +0.10 / -0 12
d3 Max 11
l1 13
(l2) ~ Ref. 18
l3 min. 12.8
x ±0.1 0.2
(s) ~ Ref. 5.1
Packaging Unit 50 / 250
Weight in gram/pcs. 7.06

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