GBJ D20 SHB20-6mm SHB2006 Small Bore Boring Bar Holder Lathe HSS Extension Holder Lathe Turning Milling Holder Sleeve Shank Round Shank (SHB20-6)

GBJ D20 SHB20-6mm SHB2006 Small Bore Boring Bar Holder Lathe HSS Extension Holder Lathe Turning Milling Holder Sleeve Shank Round Shank (SHB20-6)

• ☞Usage: It is a tool to assist in preventing the vibration of the tool bar in the machining of the inner hole of the lathe, and it can also achieve the function of extending the tool bar. Small-aperture round handle tool holder, specially clamps boring bars with a diameter of less than10mm, 3pcs of six-point screws can lock the clamped tool, and can be directly used as an inner hole tool holder.
• ☞Material: 40Cr high carbon steel, tool hardness HRC50-HRC58 ,high precision and high stability. Applicable to the general lathe, grinder,milling machine,drilling machine,and machine accessories,woodworking machinery accessories,and other machine tools and accessories
• ☞Advantage: After HRC52-HRC55 high temperature quenching, greatly improve the hardness, wear resistance and toughness, and achieve bright surface and small deformation
• ☞Feature: Inner cooling design and curved design effectively improve the performance of anti-vibration , protecting the tool bar, and prolonging the service life of the tool.
• ☞Model explanation: SHB20-6: SHB20/D20 for toolholder diameter ; 6mm for clamped boring bar diameter