Groz Drill Sleeve MT 4/3 (A Grade) The Groz Reduction Sleeves, also known as Drill Sleeves, are designed to adapt smaller morse taper shank tools to larger machine spindles. Manufactured from case-hardened Hi-tensile steel (20 MnCr5/SAE 8620) this range of sleeves is fully hardened with a ground finish both inside and outside. Precision manufacturing ensures perfect locking and concentric movement of the tool. The size is permanently marked on the tang for easy identification Specifications

• Morse Taper Outside: 4

• Morse Taper Inside: 3

• Overall Length: 140 mm

• Sleeve type: A Grade

• Material: Case Hardened Steel

• Surface finish - External taper: Ground

• Surface finish - Internal taper: Ground

• Body hardness: 54-58 HRC

• Tang hardness: 54-58 HRC

Groz Drill Sleeve MT 4/3 (A Grade) The Groz Reduction Sleeves, also known as Drill Sleeves, are designed to adapt smaller morse taper shank tools to larger machine spindles. Manufactured from case-hardened Hi-tensile steel (20 MnCr5/SAE 8620) this range of sleeves is fully hardened with a ground finish both inside and outside. Precision manufacturing ensures perfect locking and concentric movement of the tool. The size is permanently marked on the tang for easy identification Specifications

• Morse Taper Outside: 4

• Morse Taper Inside: 3

• Overall Length: 140 mm

• Sleeve type: A Grade

• Material: Case Hardened Steel

• Surface finish - External taper: Ground

• Surface finish - Internal taper: Ground

• Body hardness: 54-58 HRC

• Tang hardness: 54-58 HRC