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Home
Catalog Library
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Categories
Chuck Jaws
+
-
Soft Jaws
Round Jaws
Hard Jaws
Jaw Nuts, Master Keys & Screws
Jaw Accessories
Collet Pads & Top Jaws
+
-
Top Jaws for Collet Pads
Warner & Swasey Collet Pads
"S" Style Collet Pads
Bardons & Oliver Collet Pads
Gisholt Collet Pads
Jones & Lamson Collet Pads
Vice Jaws
+
-
Machinable Aluminum and Steel - SBM
Machined Aluminum Vice Jaws
10 Pack Aluminum Vice Jaws
Ultra Quick Change Vice Jaws & Mounting Screws
Hardened Vice Jaws
Snap Jaws Quick Change Vice Jaws
Bushings / Boring Bars
+
-
Type Z Bushings (Standard Series)
Type ZS Bushings (Short Series)
Type ZL Bushings (Long Series)
Type C Bushings
Type CS Short Series Bushings
Type J Bushings
Type B Bushings
Type DD Bushings
Type L Bushings
Type LB Bushings
Type LBF Bushings
Boring Bar Sleeves
NPT Boring Bar Sleeves
Small OD Boring Bar Sleeves
5C Collet Holders
Mazak QTN Bushings
Taper Drill Sockets: Morse Taper
Mazak Style "V" Toolholder Bushings
Mazak Style "W" Toolholder Bushings
Mazak Style "P" Toolholder Bushings
Mazak Style "Q" Toolholder Bushings
VDI Style "BV" Toolholder Bushings
VDI Style "CV" Toolholder Bushings
Coolant Fed Toolholder Bushings
VDI Style Taper Drill Sockets
Type H Boring Bar Sleeves
Type G Bushings
Swiss Collets
+
-
Swiss Collets TF25
Swiss Collets TF37
Swiss Guide Bushings TD25NS
Swiss Guide Bushings TD32
Collets
+
-
ER Collets
TG Collets
DA Collets
AF Collets
16C & 3J Round Collets
5C & R8 Collets
Internal Workholding For Lathes
Collet Extensions / Straight Shank Holders
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-
ER-8 Straight Shank Holders
ER-11 Straight Shank Holders
ER-16 Straight Shank Holders
ER-20 Straight Shank Holders
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ER-32 Straight Shank Holders
ER-40 Straight Shank Holders
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Tab Adapters / Tap Collets
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+
-
About Retention Knobs / Pull Studs
Retention Knobs CAT Tool Holders
Retention Knobs BT Tool Holders
Retention Knob Sockets
Torque Wrenches
Drawbar Clamping Force Gage
Toolholding for Lathes
+
-
VDI Toolholders (Various Brands)
VDI Toolholders (Evermore Brand)
Tool Blocks
Cutting Tools - Solid Round Tools
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-
Endmills
Solid Carbide Endmills
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High Performance Taps
Chucking Reamers
Knurling
Broaches
Cutting Tools - Indexable Insert Tools
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Indexable Drilling
Spade Drills - With Replacement Inserts
Boring - Steel, Heavy Metal & Carbide Boring Bars & Inserts
Turning - OD
Carbide & Cermet Turning & Boring Inserts
Tool Bits / Cut-Off Blades & Part-Off Tooling
Milling Cutters & Inserts
Threading & Grooving
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+
-
Auto Strong
Chuck Accessories and Replacement Parts
Threaded Drawnuts
Power Chucks - 1.5mm x 60 Serrations
Hydraulic Cylinders
Bar Pullers For CNC Lathes
16C & 3J Round Collets
5C & R8 Collets
Internal Workholding For Lathes
Workholding for Milling
+
-
Clamping Products
Tooling Components
Vice Jaws
Accessories for Machine Vices
Abrasives
+
-
Abrasive Accessories
Bonded Abrasives
Coated Abrasives
Super Abrasives
Surface Finishing
Fluids
+
-
Adhesives & Sealants
Cleaning & Lubricants
Machining Fluids & Applicators
Marking & Paint
Hand Tools
+
-
Cutting
Edge Deburring
Electrical Tools
Fastener Drive Tools
Fastening
Hand Files & Acc
Insulated Tools
Marking, Labeling, Etching
Pliers / Cutters
Plumbing Tools
Pullers
Scribers & Tweezers
Striking Tools
Machinery
+
-
Machines
Parts & Acc
Material Handling
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-
Furniture
Handling Equipment
Storage
Measuring Tools
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-
Inspection Tools
Setup & Layout Tools
Testing Equipment
Plant & Safety
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-
Body Protection
Electrical / Welding Equipment
Safety / Security
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Power Tools
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-
Air Tools & Acc.
Electric Tools & Acc.
Marking & Etching Tools
Workholding - Clamping & Fixturing
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-
Clamping Components
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Workholding - Tooling & Acc
+
-
Angle Plates
Bushings
Capto Tooling
Centers
Collets & Acc
Drill Chucks & Acc
End & Shell Mill Holders
Expanding & Lathe Mandrels
Knurling
Lathe Chuck & Acc
Magnetic Chucks & Controls
Milling & Rotary Tables
Milling Arbors & Acc
Milling Chucks & Sleeves
Quick Change Tooling
Sharpeners & Fixtures
Sine Products
Taper Adaptors
Tapping Heads
Tool Post Grinders & Acc
Tool Posts & Holders
VDI Tooling
Vices & Acc
Cutting Tools
+
-
Blanks
Broaches & Acc
Burrs & Routers
Carbide Tooling
Chasers
Combined Drill & Countersinks
Counterbores
Countersinks & Deburring
Cutters
Cutting Tools Sets
Dies
Drills
Endmills
Indexable Tooling & Inserts
Reamers
Saw Blades
Taps
Thread Repair & Acc.
Tool Bits & Cut-Off Blades
Tool Wraps & Sleeving
Auto Strong
+
-
Scroll / Chuck Jaw Chuck
Power Chuck
Collet Chuck
Hydraulic Cylinder
Soft & Hard Jaws
Special Purpose Power Chucks
Additional Info
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GUIDE PIN 21AAA139
GUIDE PIN 21AAA139
Item #:
MT8121AAA139
Brand:
Mitutoyo
Model #:
21AAA139
Product Specifications
N/A
Default Title - $ 7.70 USD
$ 7.70
Quantity
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