4.0mm 3xD IK R30 Thru Coolant Carbide Drill AlCrN 66x24x6mm Shk D3290400 010-25.5 or a spherical plain bearing

or a spherical plain bearing inner ring and a sliding layer between the bore of the head and the inner ring

AutoMeter # 3361

Please note the 7060MV does not include an rpm limiter

and ease of use in mind

Beta 300RR STD 13-19 GasGas EC300 STD 00-19 Honda ATC250R +2mm 81-84 CR250R +2mm 78-80 Husaberg TE300 STD 11-14 Husqvarna TC300 STD 2017 TE300 STD 14-16 TX300 STD 2017 WR300 STD 09-13 Kawasaki KDX250 +2mm 80-82 KX250 +2mm 78-86 KX250 +5

4.0mm 3xD IK R30 Thru Coolant Carbide Drill AlCrN 66x24x6mm Shk D3290400 010-25.5 or a spherical plain bearingSuitable for materials up to 1400N mm2 Strong core with internal coolant supply Micro geometry & surface conditioning for optimal chip control AlCrN for maximum tool life