Highlights
View all details
- Dials at either end of scale
- Engineer's scale: adjusts to 10, 20, 40, and 50 parts to the inch
- 12" measuring length with 1/32" scale, exact calibrations
Chartpak® Adjustable Triangular Scale Aluminum Engineers Ruler, 12", Silver
Item #: 508918Model #: CHA240
$32.39
Free Returns
Online. In store. Always free.
Learn More
Suggested alternatives
Price is $4.19
Price is $39.99
Price is $15.99
Price is $41.99
Price is $6.11, Regular Price was $6.79, You save 10%
Price is $14.39
About this product
Chartpak® Adjustable triangular scale for engineers is made of solid aluminum for added durability and intends to provide accurate measurements.
Chartpak® Adjustable triangular scale for engineers has 12" measuring length with 1/32" scale that encloses exact calibration and is ideal for engineering flied. Scale is adjustable to 10, 20, 40 and 50 parts to" measurements.
- Dials at either end of scale
- Engineer's scale: adjusts to 10, 20, 40, and 50 parts to the inch
- 12" measuring length with 1/32" scale, exact calibrations
- Tape length: 12"
- Dimensions: 1.1(W) x 0.5(T)
- Material: Aluminum
- Ruler type: Triangular scale
- Adjustable scale for engineers with rotating dial at each end to change units
- Designed for the exacting needs of engineers
- Change units quickly and easily by rotating dial at either end of scale - no need to move the scale from the work surface
- Change units with a simple twist of the dial
- Architect's scale: adjusts to 1/16", 1/8", 1/4", 1/2", 1:1, and 2:1
Frequently bought together
Price is $39.97, Regular price was $68.99, You save 42%
Unit of measure 4000/Carton
Free delivery by Thu, Sep 18
1
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
Over 30
Price is $39.99, Regular price was $79.99, You save 50%
Unit of measure 5000/Carton
Free delivery by Thu, Sep 18
30-min pickup
1
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
Over 30
Price is $19.99
Unit of measure 100/Box Price per unit $0.20/File Folder
Delivery by Thu, Sep 18
30-min pickup
1
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
Over 30
Price is $169.99, Regular price was $319.99, You save 46%
Free delivery by Thu, Sep 18
30-min pickup
1
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
Over 30
ASUS TUF A15 15.6" FHD 144Hz Gaming Laptop, NVIDIA GeForce RTX 4060, AMD Ryzen 5 7535HS, 16GB RAM, 512GB SSD, Windows 11 is In-store only
Price is $649.99, Regular price was $899.99, You save 27%
Price is $2.69
Price per unit $2.69/Folder
Delivery by Thu, Sep 18
30-min pickup
1
1
2
3
4
5
6
7
8
9
10
Price is $0.79
Delivery by Thu, Sep 18
30-min pickup
1
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
Over 30
Price is $0.79
Delivery by Thu, Sep 18
30-min pickup
1
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
Over 30
Price is $2.69
Price per unit $2.69/Folder
Delivery by Thu, Sep 18
30-min pickup
1
1
2
3
4
5
6
7
8
9
10
Price is $4.39
Delivery by Thu, Sep 18
30-min pickup
1
1
2
3
4
5
6
7
8
9
10
Price is $6.79
Delivery by Thu, Sep 18
1
1
2
3
4
5
6
7
8
9
10
Price is $7.79
Delivery by Thu, Sep 18
30-min pickup
1
1
2
3
4
5
6
7
8
9
10
Price is $549.99, Regular price was $879.99, You save 37%
Free delivery by Fri, Sep 19
30-min pickup
1
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
Over 30
Price is $59.99, Regular price was $89.99, You save 33%
Free delivery by Thu, Sep 18
30-min pickup
1
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
Over 30
Price is $59.99, Regular price was $129.99, You save 53%
Free delivery by Thu, Sep 18
30-min pickup
1
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
Over 30
Price is $15.99, Regular price was $26.14, You save 38%
Unit of measure 1500/Carton
Delivery by Thu, Sep 18
30-min pickup
1
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
Over 30
Nintendo Switch 2, 256GB, Mario Kart World Bundle, Black (BEESKB6LA) is In-store only
Price is $499.99
See alternate delivery items
30-min pickup
Price is $299.99, Regular price was $529.99, You save 43%
Free delivery by Thu, Sep 18
30-min pickup
1
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
Over 30
Price is $149.99, Regular price was $299.99, You save 50%
Free delivery by Thu, Sep 18
30-min pickup
1
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
Over 30
Compare similar items
| Attributes | Chartpak® Adjustable Triangular Scale Aluminum Engineers Ruler, 12", Silver | Staples 12" Acrylic Standard Imperial/Metric Scales Ruler, Clear (51882-CC) | Staples 36" Wood Yardstick (51893) | JAM Paper Stainless Steel 12" Ruler, Blue (347M12BU) | JAM Paper Stainless Steel 12" Ruler, Black (347M12BL) |
|---|---|---|---|---|---|
Your product Chartpak® Adjustable Triangular Scale Aluminum Engineers Ruler, 12", Silver Price is $32.39 Out of Stock | Price is $4.19 |  Price is $7.99 |  Price is $9.99 |  Price is $9.99 | |
| Reviews | |||||
| Delivery Information | Data not available | Delivery by Thu, Sep 18 | Delivery by Thu, Sep 18 | Delivery by Tue, Sep 23 | Delivery by Tue, Sep 23 |
| Available in my store | No | Yes | Yes | No | No |
| Ruler & Measuring Device Material | Aluminum | Acrylic | Wood | Stainless Steel | Stainless Steel |
| Ruler & Measuring Device Type | Triangular Architect Scale | Standard Ruler | Yard / Meter Stick | Standard Ruler | Standard Ruler |
| Measurement Standard | Imperial / Metric | Imperial / Metric | Imperial / Metric | Imperial / Metric | Imperial / Metric |
| Hole Punched | No | Yes | Yes | Yes | Yes |
| Color Family | Multicolor | Clear | Brown | Blue | Black |
| Thickness in Inches | 0.5 | 0.08 | 0.15 | .1 | .1 |
| True Color | Gray / Silver | Clear | Brown | Blue | Black |
| Ruler & Measuring Device Length (Inches) | 12" | 12" | Greater than 24" | 12" | 12" |
| Selling Quantity | 1 | 1 | 1 | 1 | 1 |
| Width in Inches | 1.1 | 1.34 | 1.1 | 1 | 1 |
| Selling Quantity (UOM) | Each | Each | Each | Each | Each |
| Length in Inches | 12 | 12 | 36 | 12 | 12 |
| Ruling Increments | 1 / 32" | 1 / 16" and 1 / 32" | 1 / 8" | Data not available | Data not available |
| Add To Cart | Add To Cart | Add To Cart | Add To Cart |
Featured Products
Price is $9.99
Delivery by Tue, Sep 23
1
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
Over 30
Price is $17.29
Unit of measure 6/Pack Price per unit $2.88/Envelope
Delivery by Tue, Sep 23
1
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
Over 30
Price is $30.09
Unit of measure 6/Pack Price per unit $5.02/Folder
Delivery by Tue, Sep 23
1
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
Over 30
Price is $9.99
Delivery by Tue, Sep 23
1
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
Over 30
Price is $26.89
Unit of measure 6/Pack Price per unit $4.48/Folder
Delivery by Tue, Sep 23
1
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
Over 30
Price is $29.59
Unit of measure 6/Pack Price per unit $4.93/Folder
Delivery by Tue, Sep 23
1
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
Over 30
Price is $23.89
Unit of measure 6/Pack Price per unit $3.98/Folder
Delivery by Tue, Sep 23
1
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
Over 30
Price is $41.99
Unit of measure 2/Pack
Free delivery by Tue, Sep 23
1
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
Over 30
Price is $43.69
Unit of measure 2/Pack
Free delivery by Tue, Sep 23
1
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
Over 30
Price is $26.79
Unit of measure 6/Pack Price per unit $4.46/Folder
Delivery by Tue, Sep 23
1
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
Over 30
Price is $20.59
Unit of measure 6/Pack Price per unit $3.43/Envelope
Delivery by Tue, Sep 23
1
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
Over 30
Price is $27.99
Unit of measure 6/Pack Price per unit $4.66/Folder
Delivery by Tue, Sep 23
1
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
Over 30
Price is $25.49
Unit of measure 6/Pack Price per unit $4.25/Folder
Delivery by Tue, Sep 23
1
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
Over 30
Price is $20.39
Unit of measure 12/Pack Price per unit $1.70/Sheet Protector
Delivery by Tue, Sep 23
1
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
Over 30
Price is $26.99
Unit of measure 6/Pack Price per unit $4.50/Folder
Delivery by Tue, Sep 23
1
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
Over 30