Spur Gears Pin Hub Assembly

FOR .3125 AND .3750 BORES:

ASSEMBLED HUB SPECIFICATIONS:

BORE*	HUB #	TAP	SPOT	MATERIAL
.3125	HA312	#6-32	1/16	2024 ALUM
.3125	HS312	“	“	303 S/S
.3750	HA375			2024 ALUM
.3750	HS375			303 S/S

*BORE TOLERANCE: +.0003,.0002

FOR .1250, .1875, AND .2500 BORES:

ASSEMBLED HUB SPECIFICATIONS:

BORE*	HUB #	TAP	SPOT	MATERIAL
.1250	HA125	#2-56	3/64	2024 ALUM
.1250	HS125	“	“	303 S/S
.1875	HA187			2024 ALUM
.1875	HS187			303 S/S
.2500	HA250	#6-32	1/16	2024 ALUM
.2500	HS250	“	“	303 S/S

* BORE TOLERANCE: +.0003, -.0002

NOTE: BOTH STYLE HUBS PRESS FIT TO GEAR, STAKED, AND DOUBLE-PINNED.