"HDL" High Torque Series

Traditional Worm
Drive Clamps

Specialty Worm
Drive Clamps

Seamless / Keystone Clamps

Other Specialty
Model Clamps

High Torque All "316" Series Stainless Steel Construction

Band, housing and screw are 316 series stainless steel. Screw is 5/16" slotted hex head. 1/2" inch wide band is thicker than standard worm drive clamp. This construction yields superior performance in corrosive environments. Applications include plumbing, water well, municipal storm drain systems, irrigation, marine and transportation.

Rated Ultimate Torque: 87in.lbs. min. (9.8Nm)
Recommended Installation Torque: 45-65in.lbs. (5.1-7.2Nm)

"A" Diameter Range
SAE Size	HDL-SS	Decimals		Inches		Millimeters
6	HDL 6 SS	.44	.78	7/16	25/32	11	20
8	HDL 8 SS	.44	.91	7/16	29/32	11	23
10	HDL 10 SS	.56	1.06	9/16	1-1/16	14	27
12	HDL 12 SS	.69	1.25	11/16	1-1/4	18	32
16	HDL 16 SS	.75	1.50	3/4	1-1/2	19	38
20	HDL 20 SS	.81	1.75	13/16	1-3/4	21	44
24	HDL 24 SS	1.06	2.00	1-1/16	2	27	51
28	HDL 28 SS	1.31	2.25	1-5/16	2-1/4	33	57
32	HDL 32 SS	1.56	2.50	1-9/16	2-1/2	40	64
36	HDL 36 SS	1.81	2.75	1-13/16	2-3/4	46	70
40	HDL 40 SS	2.06	3.00	2-1/16	3	52	76
44	HDL 44 SS	2.31	3.25	2-5/16	3-1/4	59	83
48	HDL 48 SS	2.56	3.50	2-9/16	3-1/2	65	89
52	HDL 52 SS	2.81	3.75	2-13/16	3-3/4	71	95
56	HDL 56 SS	3.06	4.00	3-1/16	4	78	102
60	HDL 60 SS	3.31	4.25	3-5/16	4-1/4	84	108
64	HDL 64 SS	3.56	4.50	3-9/16	4-1/2	90	114
72	HDL 72 SS	4.06	5.00	4-1/16	5	103	127
80	HDL 80 SS	4.56	5.50	4-9/16	5-1/2	116	140
88	HDL 88 SS	5.06	6.00	5-1/16	6	129	152
96	HDL 96 SS	5.56	6.50	5-9/16	6-1/2	141	165
104	HDL 104 SS	6.06	7.00	6-1/16	7	154	178
116	HDL 116 SS	6.50	7.75	6-1/2	7-3/4	165	197
128	HDL 128 SS	5.69	8.50	5-11/16	8-1/2	144	216
140	HDL 140 SS	6.44	8.25	6-7/16	9-1/4	163	235
152	HDL 152 SS	7.19	10.00	7-3/16	10	182	254
164	HDL 164 SS