• Samchully JB Core Stopper (Adjustable Workpiece Stopper for JB Chuck)
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Samchully JB Core Stopper (Adjustable Workpiece Stopper for JB Chuck)

Samchully JB Core Stopper (Adjustable Workpiece Stopper for JB Chuck)

Adjustable workpiece length stopper that replaces the JB-Core in JBM and JBH chucks, with optional extension tube.

Key features

  • Compatible with JBM and JBH chucks
  • Built-in adjustable stopper for workpiece length control
  • Additional length with extension tube

Specifications

G (extension tube) (mm) 85
H (mm) 10
M min (mm) 0
JBM-306ST ØA (mm): 52 | ØB (mm): 49 | ØC (extension tube) (mm): 44 | D (mm): 38.5 | E (mm): 64 | F (mm): 73.5 | ØK (mm): 52 | L: M12x1.5P | M max (mm): 64 | N max (extension tube) (mm): 149 | N min (extension tube) (mm): 64
JBM-308ST ØA (mm): 66 | ØB (mm): 62 | ØC (extension tube) (mm): 56 | D (mm): 45 | E (mm): 70 | F (mm): 80 | ØK (mm): 64 | L: M20x2.5P | M max (mm): 70 | N max (extension tube) (mm): 155 | N min (extension tube) (mm): 70
JBM-310ST ØA (mm): 82 | ØB (mm): 78 | ØC (extension tube) (mm): 72 | D (mm): 48.5 | E (mm): 74 | F (mm): 83.5 | ØK (mm): 80 | L: M20x2.5P | M max (mm): 74 | N max (extension tube) (mm): 159 | N min (extension tube) (mm): 74
JBM-312ST ØA (mm): 103 | ØB (mm): 97 | ØC (extension tube) (mm): 91 | D (mm): 55.5 | E (mm): 81 | F (mm): 90.5 | ØK (mm): 101 | L: M20x2.5P | M max (mm): 81 | N max (extension tube) (mm): 166 | N min (extension tube) (mm): 81
JBH-306ST ØA (mm): 46 | ØB (mm): 40 | ØC (extension tube) (mm): 34 | D (mm): 37.5 | E (mm): 63 | F (mm): 72.5 | ØK (mm): 42 | L: M12x1.5P | M max (mm): 63 | N max (extension tube) (mm): 148 | N min (extension tube) (mm): 63
JBH-308ST ØA (mm): 52 | ØB (mm): 47 | ØC (extension tube) (mm): 42 | D (mm): 44 | E (mm): 69 | F (mm): 79 | ØK (mm): 50 | L: M20x2.5P | M max (mm): 69 | N max (extension tube) (mm): 154 | N min (extension tube) (mm): 69
JBH-310ST ØA (mm): 77 | ØB (mm): 71 | ØC (extension tube) (mm): 64 | D (mm): 47.5 | E (mm): 73 | F (mm): 82.5 | ØK (mm): 74 | L: M20x2.5P | M max (mm): 73 | N max (extension tube) (mm): 158 | N min (extension tube) (mm): 73
JBH-312ST ØA (mm): 91 | ØB (mm): 87 | ØC (extension tube) (mm): 82 | D (mm): 55.5 | E (mm): 81 | F (mm): 90.5 | ØK (mm): 90 | L: M20x2.5P | M max (mm): 81 | N max (extension tube) (mm): 166 | N min (extension tube) (mm): 81
Chuck AccessoriesSamchully
8 product codes available in this family
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Samchully JB Core Stopper (Adjustable Workpiece Stopper for JB Chuck)

Brand Samchully·Chuck Accessories

Available part numbers (8)

JBM-306ST, JBM-308ST, JBM-310ST, JBM-312ST, JBH-306ST, JBH-308ST, JBH-310ST, JBH-312ST

How to order

Send the Samchully part numbers and quantities through our RFQ form or to info@prosourcemro.com. We confirm price, availability and lead time within 1 business day — no account needed.

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Product codes & specifications
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Product codeSpec
JBM-306STØA (mm): 52 | ØB (mm): 49 | ØC (extension tube) (mm): 44 | D (mm): 38.5 | E (mm): 64 | F (mm): 73.5 | ØK (mm): 52 | L: M12x1.5P | M max (mm): 64 | N max (extension tube) (mm): 149 | N min (extension tube) (mm): 64
JBM-308STØA (mm): 66 | ØB (mm): 62 | ØC (extension tube) (mm): 56 | D (mm): 45 | E (mm): 70 | F (mm): 80 | ØK (mm): 64 | L: M20x2.5P | M max (mm): 70 | N max (extension tube) (mm): 155 | N min (extension tube) (mm): 70
JBM-310STØA (mm): 82 | ØB (mm): 78 | ØC (extension tube) (mm): 72 | D (mm): 48.5 | E (mm): 74 | F (mm): 83.5 | ØK (mm): 80 | L: M20x2.5P | M max (mm): 74 | N max (extension tube) (mm): 159 | N min (extension tube) (mm): 74
JBM-312STØA (mm): 103 | ØB (mm): 97 | ØC (extension tube) (mm): 91 | D (mm): 55.5 | E (mm): 81 | F (mm): 90.5 | ØK (mm): 101 | L: M20x2.5P | M max (mm): 81 | N max (extension tube) (mm): 166 | N min (extension tube) (mm): 81
JBH-306STØA (mm): 46 | ØB (mm): 40 | ØC (extension tube) (mm): 34 | D (mm): 37.5 | E (mm): 63 | F (mm): 72.5 | ØK (mm): 42 | L: M12x1.5P | M max (mm): 63 | N max (extension tube) (mm): 148 | N min (extension tube) (mm): 63
JBH-308STØA (mm): 52 | ØB (mm): 47 | ØC (extension tube) (mm): 42 | D (mm): 44 | E (mm): 69 | F (mm): 79 | ØK (mm): 50 | L: M20x2.5P | M max (mm): 69 | N max (extension tube) (mm): 154 | N min (extension tube) (mm): 69
JBH-310STØA (mm): 77 | ØB (mm): 71 | ØC (extension tube) (mm): 64 | D (mm): 47.5 | E (mm): 73 | F (mm): 82.5 | ØK (mm): 74 | L: M20x2.5P | M max (mm): 73 | N max (extension tube) (mm): 158 | N min (extension tube) (mm): 73
JBH-312STØA (mm): 91 | ØB (mm): 87 | ØC (extension tube) (mm): 82 | D (mm): 55.5 | E (mm): 81 | F (mm): 90.5 | ØK (mm): 90 | L: M20x2.5P | M max (mm): 81 | N max (extension tube) (mm): 166 | N min (extension tube) (mm): 81

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