Shrink Fit Extension Essential Set, Imperial, Stainless Steel, Shank 1/2" – 5/8"

Shrink Fit Extension Essential Set, Imperial, Stainless Steel, Shank 1/2" – 5/8" contains following extensions: Qty Model Shank Bore Reach 1 SM1/2"-MCR1/8"-6.30"MRF 1/2" 1/8" 6.30" 1 SM1/2"-MCR3/16"-6.30"MRF 1/2" 3/16" 6.30" 1 SM5/8"-MCR1/4"-6.30"MVF 5/8" 1/4" 6.30" 1 SM5/8"-MCR5/16"-6.30"MVF 5/8" 5/16" 6.30" Reach deeper, hold tighter, run truer. HIPPSC stainless steel shrink fit extension holders deliver sub-3-micron runout accuracy in the long-reach and deep-cavity work where ordinary holders flex, chatter, and chase tolerances. Stainless shines on small-bore tools: it takes the repeated heat-and-shrink cycles better than alloy, resisting fatigue and heat damage at the thin bore walls where failures start, so the holder grips true and lasts far longer over its service life. The slim, balanced nose profile clears tight walls and steep pockets, while full-contact thermal clamping grips your tool with uniform force around the entire shank; no setscrews, no collet slip, no runout creep.