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Design fully engages the thread for secure locking.
One-Piece Threaded Clamping Collar ISTC-Series
One-Piece Threaded Clamping Collar
Unit of Measure
1 2 3 

Item #

Bore Thread

OD

Width

Screw Size

Material

Weight

ISTC-137-12 N/A 1 3/8-12 N/A 2 1/4 in N/A 9/16 in N/A 1/4-28 x 3/4 N/A Steel, ASTM A108 N/A 6.25 oz
ISTC-150-06 N/A 1 1/2-6 N/A 2 3/8 in N/A 9/16 in N/A 1/4-28 x 3/4 N/A Steel, ASTM A108 N/A 6.70 oz
ISTC-150-12 N/A 1 1/2-12 N/A 2 3/8 in N/A 9/16 in N/A 1/4-28 x 3/4 N/A Steel, ASTM A108 N/A 6.60 oz
ISTC-175-16 N/A 1 3/4-16 N/A 2 3/4 in N/A 11/16 in N/A 5/16-24 x 1 N/A Steel, ASTM A108 N/A 10.50 oz
ISTC-200-12 N/A 2 -12 N/A 3 in N/A 11/16 in N/A 5/16-24 x 1 N/A Steel, ASTM A108 N/A 11.80 oz
ISTC-010-32-S N/A 10-32 N/A 11/16 in N/A 5/16 in N/A 4-40 x 3/8 N/A Stainless Steel, ASTM A582 N/A 0.43 oz
ISTC-025-20-S N/A 1/4-20 N/A 11/16 in N/A 5/16 in N/A 4-40 x 3/8 N/A Stainless Steel, ASTM A582 N/A 0.40 oz
ISTC-025-28-S N/A 1/4-28 N/A 11/16 in N/A 5/16 in N/A 4-40 x 3/8 N/A Stainless Steel, ASTM A582 N/A 0.41 oz
ISTC-031-18-S N/A 5/16-18 N/A 11/16 in N/A 5/16 in N/A 4-40 x 3/8 N/A Stainless Steel, ASTM A582 N/A 0.40 oz
ISTC-031-24-S N/A 5/16-24 N/A 11/16 in N/A 5/16 in N/A 4-40 x 3/8 N/A Stainless Steel, ASTM A582 N/A 0.40 oz
ISTC-037-16-S N/A 3/8-16 N/A 7/8 in N/A 3/8 in N/A 6-32 x 3/8 N/A Stainless Steel, ASTM A582 N/A 0.80 oz
ISTC-037-24-S N/A 3/8-24 N/A 7/8 in N/A 3/8 in N/A 6-32 x 3/8 N/A Stainless Steel, ASTM A582 N/A 0.74 oz
ISTC-043-14-S N/A 7/16-14 N/A 15/16 in N/A 11/32 in N/A 6-32 x 3/8 N/A Stainless Steel, ASTM A582 N/A 1.20 oz
ISTC-043-20-S N/A 7/16-20 N/A 15/16 in N/A 11/32 in N/A 6-32 x 3/8 N/A Stainless Steel, ASTM A582 N/A 0.97 oz
ISTC-050-13-S N/A 1/2-13 N/A 1 1/8 in N/A 13/32 in N/A 8-32 x 1/2 N/A Stainless Steel, ASTM A582 N/A 1.40 oz
ISTC-050-20-S N/A 1/2-20 N/A 1 1/8 in N/A 13/32 in N/A 8-32 x 1/2 N/A Stainless Steel, ASTM A582 N/A 1.40 oz
ISTC-062-11-S N/A 5/8-11 N/A 1 5/16 in N/A 7/16 in N/A 10-32 x 1/2 N/A Stainless Steel, ASTM A582 N/A 2.00 oz
ISTC-062-18-S N/A 5/8-18 N/A 1 5/16 in N/A 7/16 in N/A 10-32 x 1/2 N/A Stainless Steel, ASTM A582 N/A 2.00 oz
ISTC-075-10-S N/A 3/4-10 N/A 1 1/2 in N/A 1/2 in N/A 1/4-28 x 5/8 N/A Stainless Steel, ASTM A582 N/A 2.90 oz
ISTC-075-16-S N/A 3/4-16 N/A 1 1/2 in N/A 1/2 in N/A 1/4-28 x 5/8 N/A Stainless Steel, ASTM A582 N/A 2.80 oz
ISTC-087-09-S N/A 7/8-9 N/A 1 5/8 in N/A 1/2 in N/A 1/4-28 x 5/8 N/A Stainless Steel, ASTM A582 N/A 3.20 oz
ISTC-087-14-S N/A 7/8-14 N/A 1 5/8 in N/A 1/2 in N/A 1/4-28 x 5/8 N/A Stainless Steel, ASTM A582 N/A 3.12 oz
ISTC-100-08-S N/A 1-8 N/A 1 3/4 in N/A 1/2 in N/A 1/4-28 x 5/8 N/A Stainless Steel, ASTM A582 N/A 3.44 oz
ISTC-100-12-S N/A 1-12 N/A 1 3/4 in N/A 1/2 in N/A 1/4-28 x 5/8 N/A Stainless Steel, ASTM A582 N/A 3.48 oz
ISTC-100-14-S N/A 1-14 N/A 1 3/4 in N/A 1/2 in N/A 1/4-28 x 5/8 N/A Stainless Steel, ASTM A582 N/A 3.50 oz
Unit of Measure
1 2 3