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Re-Machinable Two-Piece Clamping Collars are offered with an undersized bore allowing the necessary clearance to re-machine the bore without damaging the existing clamp screws. The pilot bore can be safely enlarged to the nominal bore size reflected in the part number nomenclature.
R2C-Line Drawing
Unit of Measure
1 2 

Item #

Bore

Max Bore

OD

Width

Screw Size

Material

Weight

R2C-300 N/A 1.2500 in N/A 3 in N/A 4.5000 in N/A 0.7500 in N/A 3/8-24 x 1 N/A Steel, ASTM A108 N/A 25.80 oz
R2C-300-DT N/A 1.2500 in N/A 3 in N/A 4.5000 in N/A 0.7500 in N/A 3/8-24 x 1 N/A Steel, ASTM A108 N/A 25.80 oz
R2C-300-S N/A 1.2500 in N/A 3 in N/A 4.5000 in N/A 0.7500 in N/A 3/8-24 x 1 N/A Stainless Steel, ASTM A582 N/A 25.80 oz
R2C-300-A N/A 1.2500 in N/A 3 in N/A 4.5000 in N/A 0.7500 in N/A 3/8-24 x 1 N/A Aluminum, ASTM B211 N/A 25.80 oz
CRR2C-300-S N/A 1.2500 in N/A 3 in N/A 4.5000 in N/A 0.7500 in N/A 3/8-24 x 1 N/A 316 Stainless Steel, ASTM A276 N/A 25.80 oz
R2C-425 N/A 2.0000 in N/A 4 1/4 in N/A 5.5000 in N/A 0.8750 in N/A 3/8-24 x 1 N/A Steel, ASTM A108 N/A 35.00 oz
R2C-425-DT N/A 2.0000 in N/A 4 1/4 in N/A 5.5000 in N/A 0.8750 in N/A 3/8-24 x 1 N/A Steel, ASTM A108 N/A 35.00 oz
R2C-425-S N/A 2.0000 in N/A 4 1/4 in N/A 5.5000 in N/A 0.8750 in N/A 3/8-24 x 1 N/A Stainless Steel, ASTM A582 N/A 35.00 oz
R2C-425-A N/A 2.0000 in N/A 4 1/4 in N/A 5.5000 in N/A 0.8750 in N/A 3/8-24 x 1 N/A Aluminum, ASTM B211 N/A 35.00 oz
CRR2C-425-S N/A 2.0000 in N/A 4 1/4 in N/A 5.5000 in N/A 0.8750 in N/A 3/8-24 x 1 N/A 316 Stainless Steel, ASTM A276 N/A 35.00 oz
R2C-500 N/A 2.5000 in N/A 5 in N/A 6.2500 in N/A 0.8750 in N/A 3/8-24 x 1 N/A Steel, ASTM A108 N/A 40.10 oz
R2C-500-DT N/A 2.5000 in N/A 5 in N/A 6.2500 in N/A 0.8750 in N/A 3/8-24 x 1 N/A Steel, ASTM A108 N/A 40.10 oz
R2C-500-S N/A 2.5000 in N/A 5 in N/A 6.2500 in N/A 0.8750 in N/A 3/8-24 x 1 N/A Stainless Steel, ASTM A582 N/A 40.10 oz
R2C-500-A N/A 2.5000 in N/A 5 in N/A 6.2500 in N/A 0.8750 in N/A 3/8-24 x 1 N/A Aluminum, ASTM B211 N/A 40.10 oz
CRR2C-500-S N/A 2.5000 in N/A 5 in N/A 6.2500 in N/A 0.8750 in N/A 3/8-24 x 1 N/A 316 Stainless Steel, ASTM A276 N/A 40.10 oz
R2C-600 N/A 3.0000 in N/A 6 in N/A 7.2500 in N/A 0.8750 in N/A 3/8-24 x 1 N/A Steel, ASTM A108 N/A 47.60 oz
R2C-600-DT N/A 3.0000 in N/A 6 in N/A 7.2500 in N/A 0.8750 in N/A 3/8-24 x 1 N/A Steel, ASTM A108 N/A 47.60 oz
R2C-600-S N/A 3.0000 in N/A 6 in N/A 7.2500 in N/A 0.8750 in N/A 3/8-24 x 1 N/A Stainless Steel, ASTM A582 N/A 47.60 oz
R2C-600-A N/A 3.0000 in N/A 6 in N/A 7.2500 in N/A 0.8750 in N/A 3/8-24 x 1 N/A Aluminum, ASTM B211 N/A 47.60 oz
CRR2C-600-S N/A 3.0000 in N/A 6 in N/A 7.2500 in N/A 0.8750 in N/A 3/8-24 x 1 N/A 316 Stainless Steel, ASTM A276 N/A 47.60 oz
Unit of Measure
1 2