380 MILLING • Arbors PREMIUM BALANCED ER COLLET CHUCKS CAT 40 Balanced to save to G2.5 spindle at 25,000 RPM bearing life FEATURES: • Taper-to-taper runout <0.0004". • AD coolant thru the spindle. • Hardened to 56-60 HRC. • Taper shank ground to AT3 accuracy (or better). • Taper manufactured in accordance with ANSI B5.50 / ISO 7388 specifications. • CAT 40 Draw bar threads: 5/8"-11 SIZE ER-16 ER-16 ER-20 ER-20 ER-25 ER-25 ER-32 ER-32 ER-40 ER-40 PROJECTION 2.75" 4" 2.75" 4" 2.75" 4" 2.75" 4" 3" 4" COLLET RANGE 0.02" - 0.406" 0.02" - 0.406" 0.04" - 0.512" 0.04" - 0.512" 0.04" - 0.630" 0.04" - 0.630" 0.04" - 0.787" 0.04" - 0.787" 0.12" - 1.000" 0.12" - 1.000" NUT TYPE Hex Hex Hex Hex Round Round Round Round Round Round MODEL # ST40ER16275B ST40ER16400B ST40ER20275B ST40ER20400B ST40ER25275B ST40ER25400B ST40ER32275B ST40ER32400B ST40ER40300B ST40ER40400B ORDER # 67-814-440 67-814-441 67-814-442 67-814-443 67-814-444 67-814-445 67-814-446 67-814-447 67-814-448 67-814-449 PRICE EACH $118.37 124.19 119.52 125.65 121.36 128.44 122.87 130.13 127.29 130.25 PREMIUM BALANCED END MILL HOLDERS CAT 40 Balanced to save to G2.5 spindle at 25,000 RPM bearing life FEATURES: • Taper-to-bore runout <0.0004". • Bore tolerance: H6 • AD coolant thru the spindle. • Taper shank ground to AT3 accuracy (or better). • Taper manufactured in accordance with ANSI B5.50 / ISO 7388 specifications. • CAT 40 Draw bar threads: 5/8"-11 SIZE 1/4" 1/4" 5/16" 3/8" 3/8" 1/2" 1/2" 5/8" 3/4" 1" 1-1/4" PROJECTION 2.5" 3" 2.5" 2.5" 3" 2.5" 3" 3" 3" 4" 4.25" HEAD DIAMETER 0.69" 0.69" 1" 1.25" 1.25" 1.25" 1.25" 1.75" 2" 2.25" 2.5" MAXIMUM SOCKET DEPTH 4.01" 4.40" 2.89" 4.01" 4.40" 3.26" 4.13" 3.56" 2.40" 2.64" 2.53" HEX KEY SIZE 1/8" 1/8" 1/8" 3/16" 3/16" 7/32" 7/32" 1/4" 5/16" 3/8" 3/8" MODEL # ST40EM025250B ST40EM025300B ST40EM031250B ST40EM038250B ST40EM038300B ST40EM050250B ST40EM050300B ST40EM062300B ST40EM075300B ST40EM100400B ST40EM125425B ORDER # 67-814-472 67-814-473 67-814-474 67-814-476 67-814-477 67-814-478 67-814-479 67-814-481 67-814-483 67-814-484 67-814-485 PRICE EACH $102.55 102.55 102.55 102.55 102.55 103.70 103.70 104.18 105.43 107.83 110.67 PREMIUM BALANCED SHELL MILL ADAPTERS CAT 40 Balanced to save to G2.5 spindle at 25,000 RPM bearing life FEATURES: • Taper-to-pilot runout <0.0002". • Pilot tolerance: H6 • AD coolant thru the spindle. • Taper shank ground to AT3 accuracy (or better). • Taper manufactured in accordance with ANSI B5.50 / ISO 7388 specifications. • CAT 40 Draw bar threads: 5/8"-11 INCLUDES: • Non-coolant screw. ARBOR DIAMETER 3/4" 3/4" 1" 1" 1-1/4" 1-1/2" PROJECTION 1.77" 3.54" 2.36" 3.54" 2.36" 2.36" FLANGE DIAMETER 1.75" 1.75" 2.19" 2.19" 2.75" 3.38" HEX KEY SIZE 1/4" 1/4" 5/16" 5/16" 5/16" 3/8" DRIVE KEY SIZE 5/16" 5/16" 3/8" 3/8" 1/2" 5/8" MODEL # ST40SM075177NB ST40SM075354NB ST40SM100236NB ST40SM100354NB ST40SM125236NB ST40SM150236NB ORDER # 67-814-460 67-814-461 67-814-462 67-814-463 67-814-464 67-814-465 PRICE EACH $115.74 124.46 117.70 133.48 123.07 138.85 All In-Stock Orders Placed By 7pm ET Ship Same Day, So You'll Get What You Need, When You Need It