Specific Use - Blind End Keylocking Threaded Inserts
Heavy Duty- Inch

Material:	Inserts - 303 CRES
	Keys- 302 CRES
Finish: Passivated
Tolerances: ±.010 inch unless specified otherwise
Internal Threads: Per SAE AS8879
Dimensions: All dimensions below are in inches
Keys: Inserts with an internal thread size of 5/16 and larger are furnished with 4 locking keys. Smaller sizes have 2 locking keys.
Material Identification Mark: None
Lubrication: Dry Film Lube on Self-Locking Inserts only
Performance: MIL-I-45914A

Call
800-323-5582
or email us at
acmemail@acmeindustrial.com
and a representative will
contact you shortly.

To request a quote, Click on the MS or Acme part number in the chart below.

Insert									Installation/ Removal
ACME Part Number		Dimensions
Non-Locking	Self-Locking	Internal Thread Class 3B	External Thread (Mod.) Class 2A	F Internal Thread (Min.)	G External Thread	H Length	J ±.030	K C'Bore Depth	Install Tool Part No.
218-083300	218-084300	8 - 32	5/16 - 18	.31	.31	.50	.22	.04	217-072590
218-083301	218-084301	10 - 24	3/8 - 16	.31	.31	.56	.22	.07	217-072591
218-083501	218-084501	10 - 32
218-083302	218-084302	1/4 - 20	7/16 - 14	.37	.37	.62	.22	.07	217-072593
218-083502	218-084502	1/4 - 28
218-083303	218-084303	5/16 - 18	1/2 - 13	.43	.43	.75	.22	.07	217-072595
218-083503	218-084503	5/16 - 24
218-083304	218-084304	3/8 - 16	9/16 - 12	.50	.50	.81	.25	.07	217-072597
218-083504	218-084504	3/8 - 24
218-083305	218-084305	7/16 - 14	5/8 - 11	.62	.62	1.00	.28	.10	217-072599
218-083505	218-084505	7/16 - 20
218-083306	218-084306	1/2 - 13	11/16 - 11 NS	.68	.68	1.06	.28	.10	217-072601
218-083506	218-084506	1/2 - 20
218-083307	218-084307	9/16 - 12	13/16 - 16	.81	.81	1.25	.32	.10	217-072603
218-083507	218-084507	9/16 - 18
218-083308	218-084308	5/8 - 11	7/8 - 14	.87	.87	1.31	.33	.10	217-072605
218-083508	218-084508	5/8 - 18
218-083309	218-084309	3/4 - 10	1-1/8 - 12	1.25	1.25	1.75	.49	.10	217-072607
218-083509	218-084509	3/4 - 16
218-083310	218-084310	7/8 - 9	1-1/4 - 12	1.37	1.37	1.94	.49	.10	217-072609
218-083510	218-084510	7/8 - 14
218-083311	218-084311	1" - 8	1-3/8 - 12	1.50	1.50	2.12	.55	.10	217-072611
218-083511	218-084511	1" - 12