
SPI
4.0000" Micrometer, 0.000200" accuracy - SPI 21-914-7
MFR# 21-914-7
$765.44List $1,167.89
Save 34%
In stock - ships in 1-3 business days
Request a quote
- Fast sourcing
- Regrinding available
- 20+ yrs expertise
Description
The SPI 21-914-7 is a 4.0000" micrometer.
Specifications
Accuracy0.000200
CalibratedYes
FeaturesCarbide Measuring Surfaces; Ratchet Thimble; Self-Centering Contact Points for Accurate Measurements
FinishChrome
Gage depth4.4900
Graduation in0.0002
Maximum extension rod length6.0000
Maximum measurement4.0000
Micrometer typeHole
Minimum measurement3.5000
Number of contact points3
Number of extension rods1
Number of setting rings included1
Rod diameter0.9300
Rod typeRatchet
Setting ring diameter3.5000
Thimble typeRatchet Stop
Traceability certification includedNIST
Can't find your exact tool?Send us a part number — we'll cross-reference it.
Dull tools?Regrinding extends tool life and saves cost.
Alternate & equivalent tools
Matched on diameter, flute count, and material. Need a specific brand or coating? Cross-reference this tool.
Spec-matched alternates load as the catalog fills in. Meanwhile, browse the End Mills collection and filter by diameter, flutes & length of cut.
