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Design fully engages the shaft without marring. Greater axial holding power than set screw collars. Effective on hard & soft shafts.

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One-Piece Clamping Collar 1C-Series
One-Piece Clamping Collar
Unit of Measure
« 6 7 8 

Item #

Bore

OD

Width

Screw Size 

Material

Weight

CAD

1C-287-A N/A 2 7/8 in N/A 4 1/4 in N/A 7/8 in N/A 3/8-24 x 1 N/A Aluminum, ASTM B211 N/A 29.20 oz N/A
1C-293-A N/A 2 15/16 in N/A 4 1/4 in N/A 7/8 in N/A 3/8-24 x 1 N/A Aluminum, ASTM B211 N/A 28.00 oz N/A
1C-300-A N/A 3 in N/A 4 1/4 in N/A 7/8 in N/A 3/8-24 x 1 N/A Aluminum, ASTM B211 N/A 26.80 oz N/A
1C-012-Z N/A 1/8 in N/A 11/16 in N/A 5/16 in N/A 4-40 x 3/8 N/A Steel, ASTM A108 N/A 0.44 oz N/A
1C-018-Z N/A 3/16 in N/A 11/16 in N/A 5/16 in N/A 4-40 x 3/8 N/A Steel, ASTM A108 N/A 0.43 oz N/A
1C-025-Z N/A 1/4 in N/A 11/16 in N/A 5/16 in N/A 4-40 x 3/8 N/A Steel, ASTM A108 N/A 0.40 oz N/A
1C-031-Z N/A 5/16 in N/A 11/16 in N/A 5/16 in N/A 4-40 x 3/8 N/A Steel, ASTM A108 N/A 0.36 oz N/A
1C-037-Z N/A 3/8 in N/A 7/8 in N/A 3/8 in N/A 6-32 x 3/8 N/A Steel, ASTM A108 N/A 0.70 oz N/A
1C-043-Z N/A 7/16 in N/A 15/16 in N/A 3/8 in N/A 6-32 x 3/8 N/A Steel, ASTM A108 N/A 0.81 oz N/A
1C-050-Z N/A 1/2 in N/A 1 1/8 in N/A 13/32 in N/A 8-32 x 1/2 N/A Steel, ASTM A108 N/A 1.30 oz N/A
1C-056-Z N/A 9/16 in N/A 1 5/16 in N/A 7/16 in N/A 10-32 x 1/2 N/A Steel, ASTM A108 N/A 2.00 oz N/A
1C-062-Z N/A 5/8 in N/A 1 5/16 in N/A 7/16 in N/A 10-32 x 1/2 N/A Steel, ASTM A108 N/A 1.80 oz N/A
1C-068-Z N/A 11/16 in N/A 1 1/2 in N/A 1/2 in N/A 10-32 x 1/2 N/A Steel, ASTM A108 N/A 2.90 oz N/A
1C-075-Z N/A 3/4 in N/A 1 1/2 in N/A 1/2 in N/A 1/4-28 x 5/8 N/A Steel, ASTM A108 N/A 2.70 oz N/A
1C-081-Z N/A 13/16 in N/A 1 5/8 in N/A 1/2 in N/A 1/4-28 x 5/8 N/A Steel, ASTM A108 N/A 3.20 oz N/A
1C-087-Z N/A 7/8 in N/A 1 5/8 in N/A 1/2 in N/A 1/4-28 x 5/8 N/A Steel, ASTM A108 N/A 2.96 oz N/A
1C-093-Z N/A 15/16 in N/A 1 3/4 in N/A 1/2 in N/A 1/4-28 x 5/8 N/A Steel, ASTM A108 N/A 3.51 oz N/A
1C-100-Z N/A 1 in N/A 1 3/4 in N/A 1/2 in N/A 1/4-28 x 5/8 N/A Steel, ASTM A108 N/A 3.30 oz N/A
1C-106-Z N/A 1 1/16 in N/A 1 7/8 in N/A 1/2 in N/A 1/4-28 x 5/8 N/A Steel, ASTM A108 N/A 3.90 oz N/A
1C-112-Z N/A 1 1/8 in N/A 1 7/8 in N/A 1/2 in N/A 1/4-28 x 3/4 N/A Steel, ASTM A108 N/A 3.63 oz N/A
1C-118-Z N/A 1 3/16 in N/A 2 1/16 in N/A 1/2 in N/A 1/4-28 x 3/4 N/A Steel, ASTM A108 N/A 4.70 oz N/A
1C-125-Z N/A 1 1/4 in N/A 2 1/16 in N/A 1/2 in N/A 1/4-28 x 3/4 N/A Steel, ASTM A108 N/A 4.40 oz N/A
1C-131-Z N/A 1 5/16 in 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 6.19 oz N/A
1C-137-Z N/A 1 3/8 in 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 5.90 oz N/A
1C-143-Z N/A 1 7/16 in 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 5.50 oz N/A
Unit of Measure
« 6 7 8