Description
Insize 3281-2 – Screw Thread Micrometer, 1-2IN
L. Dewitt's SKU #: 3281-2 | Mfr Part #: 3281-2Insize 3281-2 is a 1-2IN screw thread micrometer with .001IN graduation for measuring the pitch diameter of external threads. Fit the measuring tips for your thread pitch; the spindle does not rotate, so the tips stay aligned.
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Add a matching accessory to this tool in the same order and 5% comes off both automatically in your cart.
| 55° setting standard for Whitworth threads: 3281-SPE1 | 55° Screw Thread Micrometer Setting Standard, 1IN | Add to cart |
| Measuring tips: 7381-TS (60° Unified and metric) or 7381-T2S (55° Whitworth) | Choose yours |
Gaging a different thread size or class? Send us the part number — we match the plug and rings and quote the kit the same day.Match my kit
Kit savings need at least one tool and one accessory in the same order. Excludes QMS, LDM, TLP and UTM measuring machines.
Key Features
- Range 1-2IN, graduation .001IN
- Measures pitch diameter of screw threads
- Non-rotating spindle
- Ratchet stop for consistent measuring force
- 60° setting standard included
Technical Specifications
| Part Number | 3281-2 |
| Brand | Insize |
| Manufacturer Part Number | 3281-2 |
| Product Type | Screw Thread Micrometer |
| Range | 1-2IN |
| Graduation | .001IN |
| Spindle | Non-rotating |
| Measures | Thread pitch diameter |
| Availability | Ships direct from Insize; most items in stock. Ship date confirmed by email after you order. |
| Shipping Weight | 1.46 lb |
| Package Dimensions | 8.9IN L x 5.04IN W x 1.69IN H |
| UPC/EAN | 6928640328213 |
| Sold As | 1 Each |
What you'll also need
Choosing between options
- Need a digital reading and data output? 3581-50E is the 1-2IN/25-50MM digital screw thread micrometer.
Other sizes & versions in this series
Request a Quote
Need volume pricing or help matching the right Insize part?
Send the part number, quantity and thread size, pitch (TPI) and thread angle, and whether you need measuring tips — we reply the same day.
Contact Information
Authorized Insize distributor
📍 Nationwide shipping | Live Oak, TX
Additional Information
Brand: |
Insize |
Manufacturer Part Number: |
3281-2 |
Product Family: |
Micrometers |
Supplier Category Code: |
A |
EAN: |
6928640328213 |
Package Weight: |
1.46 lb |
Package Length: |
8.9 in |
Package Width: |
5.04 in |
Package Height: |
1.69 in |
Feature 1: |
Graduation .001'. |
Feature 2: |
Measures pitch diameter of screw threads. |
Feature 3: |
Non-rotating spindle. Ratchet stop. |
Feature 4: |
Supplied with 60° setting standards (except 0-1'). |
Feature 5: |
Optional accessory: 55°setting standards, measuring tips (pat no. 7381). |
