From our MB850 Series:

MB 850-050

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: MB 850-050

d1 d2 +0.10 / -0 d3 Max l1 (l2) ~ Ref. l3 min. x ±0.2 (s) ~ Ref. Packaging Unit Weight in gram/pcs.
5 5 4.3 5.5 7.1 5.3 0.4 2.0 100 / 2000 0.68
d1 5
d2 +0.10 / -0 5
d3 Max 4.3
l1 5.5
(l2) ~ Ref. 7.1
l3 min. 5.3
x ±0.2 0.4
(s) ~ Ref. 2.0
Packaging Unit 100 / 2000
Weight in gram/pcs. 0.68

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