Fabrication Notes -- Syringe Needle Dimensions

Fabrication

Needle Gauge	Nominal O.D.			Nominal I.D.			Nominal Wall
Needle Gauge	(mm)	(in)	tolerance (in)	(mm)	(in)	tolerance (in)	(mm)	(in)	tolerance (in)

10	3.404	0.1340	±0.0010	2.692	0.1060	±0.0020	0.356	0.0140	±0.0010
11	3.048	0.1200		2.388	0.0940		0.330	0.0130
12	2.769	0.1090		2.159	0.0850		0.305	0.0120
13	2.413	0.0950		1.803	0.0710		0.305	0.0120
14	2.108	0.0830		1.600	0.0630		0.254	0.0100
15	1.829	0.0720	±0.0005	1.372	0.0540	±0.0015	0.229	0.0090	±0.0005
16	1.651	0.0650		1.194	0.470		0.229	0.0090
17	1.473	0.0580		1.067	0.0420		0.203	0.0080
18	1.270	0.0500		0.838	0.0330		0.203	0.0080
19	1.067	0.0420		0.686	0.0270		0.191	0.0075
20	0.902	0.0355	+0.0005	0.584	0.0230	+0.0015	0.152	0.0060	+0.0000
21	0.813	0.0320	-0.0000	0.495	0.0195	-0.0000	0.152	0.0060	-0.0005
22	0.711	0.0280		0.394	0.0155		0.152	0.0060
22s	0.711	0.0280		0.140	0.0055		0.279	0.0110
23	0.635	0.0250		0.318	0.0125		0.152	0.0060
24	0.559	0.0220		0.292	0.0115		0.127	0.0050
25	0.508	0.0200		0.241	0.0095		0.127	0.0050
25s	0.508	0.0200		0.140	0.0055		0.178	0.0070
26	0.457	0.0180		0.241	0.0095		0.102	0.0040
26s	0.467	0.0184		0.114	0.0045		0.178	0.0070
27	0.406	0.0160		0.191	0.0075		0.102	0.0040
28	0.356	0.0140		0.165	0.0065		0.089	0.0035	±0.00025
29	0.330	0.0130		0.165	0.0065		0.076	0.0030
30	0.305	0.0120		0.140	0.0055		0.076	0.0030
31	0.254	0.0100		0.114	0.0045		0.064	0.0025
32	0.229	0.0090		0.089	0.0035		0.051	0.0020
33	0.203	0.0080		0.089	0.0035		0.051	0.0020

Needle Gauge	(mm)	(in)	tolerance (in)	(mm)	(in)	tolerance (in)	(mm)	(in)	tolerance (in)
Needle Gauge	Nominal O.D.			Nominal I.D.			Nominal Wall

Reference: Aldrich 1994-1995 Catalog/Handbook of Fine Chemicals, Aldrich Chemical Co., Inc., Milwaukee, WI.

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This page is for INFORMATIONAL PURPOSES ONLY.

Page author: Dawn Rorvik (rorvikd@evergreen.edu)
Last modified: 09/20/1999