Standard Metric Keys & Keyways for Metric Bores with One Key • Couplings (Page 2 of 2) All Types 427-140 Reo a 21 (P eso) oola e el 11 pesees 2 Telepoe 22 a 22 eoo Key & Keyway

JIS (Excerpt from JIS B 1301-1996)Unit [mm] ; 8×7 · 10×8 ; 22~30 · 30~38 ; 8 · 10 

In addition to the precision sizes mentioned above, the common metric Allen wrench sizes are 1.5 mm, 2 mm, 2.5 mm, 3 mm, 4 mm, 4.5 mm, 5 mm, 5.5 

specify keyways: Metric: WxH Key. W x T2 Keyway. British: WxH12 Key. W x H Keyway. ISO Standard - mm. Imperial Standard-Inches.

These dimensions of allen keys can be used to check the accessibility of your bolts were space is limited. For example for an M8 socket head cap screw we need at least 32+8 (head size) = 40mm clearance above the screw for easy accessibility. Refer the following table for metric allen key sizes and dimensions for corresponding socket head cap

12/22 · Current keyboard sizes in descending order are full-size, 1800 Compact, TKL, 75%, 65%, 60%, and 40%. This article will explain the benefits and disadvantages of the various keyboard sizes. It will also discuss the specifications of each keyboard size and how functions are altered as keyboard size becomes smaller.

Below are the sizes for a standard keyboard layout as a foundation for other layouts you may encounter. Cap Row Unit Length Stabilizer Esc R1 1u Tab R2 1.5u Caps Lock R3 1.75u Left Shift R4 2.25u Yes (2u) Left Control R4 1.25u Left GUI R4 1.25u Left Alt R4

11/23 · Ordinarily the round ones take a number 4. The American time strike antique units mostly take the size 7 key. Match your measurements to the Clock key size chart to be sure.

DIN-Keys & Keyways to ISO Diameter d in accordance to DIN 6885/1 in Width b 2) Depth h Shaft Keyway Depth t₁ Hub Keyway Depth d = t₂ mm mm mm mm mm mm mm.

Key and keyway dimensions ; over 290 to 330, 70, 36, 22, 0.3 

We built a calculator to determine the standard keyway based on your shaft diameter, either in inches or millimeters.

Wiha Torx Tools SEE ALL TORX TOOLS SEE ALL SECURITY TORX TOOLS For use with Internal Socket Head Type TORX Screws Size InchP to P MetricP to P Maximum Torque Range Wiha Bit Wiha Screwdriver T1 .031 .81mm .02 to .03 Nm ORDER T1 TORX BIT ORDER T1 TORX SCREWDRIVER T2 .036 .93mm .07 to .09 Nm ORDER T2 TORX BIT ORDER T2 TO

B +0.000 -0.015. C +0.002 -0.000. D. NOMINAL SHAFT DIAMETER. BOTTOM OF SHAFT TO BOTTOM OF KEYWAY. WIDTH. REFERENCE DEPTH.

mm. Groove Width. W. NATOR294888288 Standard Keyseats/Keyways. H234567889. "Groove dimensions for woodruff keys DIN 6888 in.

11/23 · Imperial to Metric for Allen Keys. On the left-hand side, we have our SAE to metric conversion guide for hex keys that provides the best substitute SAE Allen wrench for each given metric size. As you’ll notice, there isn’t always a perfect substitute. For instance, Metric size 9 mm doesn’t have an imperial counterpart.

PFEIFER INDUSTRIES, LLC. 2180 Corporate Lane, Suite 104 ~ Naperville, IL 60563 USA Phone (630) 596-9000 Fax (630) 596-9002 E-mail: [email protected] Web site: www.pfeiferindustries.com Keyway Bore Diameter Size Bore Reference -0.000 / +0.010

Bore Diameter Size Bore Reference -0.000 / +0.010 Height (d) (t) - DIM Keyway Width (w) AGMA 9002-A86 Inch Bore and ANSI B17.1 Square Keyway Tolerances Minimum 2.1250 0.5000 2.350 Maximum 2.1265 0.5020 2.360 Minimum 2.1875 0.5000 2.414 Maximum 2.1890 0.5020 2.424 Minimum 2.2500 0.5000 2.477

Cut this stock to length to create the machine key you need. Straight keys, with a square or rectangular cross section, are the most common type of key. Install in a keyway to transmit torque from shafts to gears and other components. Step Machine Key Stock When a keyway is damaged, cut a new, wider one.

Key dimensions: Parallel keys are most commonly used. The key and key seat cross section are ISO standardized. The key length should be less than about 1.5 

You can get two types of hex key sets: standard key size and metric key size. Standard typically comes in 1/8 inch, 3/32 inch, 7/64 inch, 5/32 inch, 3/16 inch, ¼ inch, and 7/32 inch. Metric sizes most often come as 2.5 mm, 3 mm, 4 mm, 5 mm, 6 mm, 8 mm, and 10 mm.

Figure 1 - Keyway and Key Size Dimension Reference Specifying English Keyways In the English system, it is standard practice to dimension keyways. The hub keyway is dimensioned by its width and depth on the shaft – keyway sides. Referencing Figure 1

To convert 5/8 inch to mm, divide 5 by 8 to convert the fraction to a decimal. Then, multiply that by 25.4 since there are 25.4 millimeters in one inch. That’s the formula that our calculator uses to find that 5/8 inch to millimeters is 15.875 mm.

Standard Keyway Dimensions ; 2-5/16, 5/8, 2.584 ; 2-3/8, 5/8, 2.646 ; 2-7/16, 5/8, 2.711 ; 2-1/2, 5/8, 2.773.

British ISO Metric Screw Threads Designations Standard External Metric Thread and Fastener Sizes M 0.25 - M 1.4 Metric External Table Chart Thread Designations Sizes M 1.6 - M 18

Sunk keys · Square keys · A square key is used for shafts diameter up to and including 1” (25 mm) ; Sunk keys · Parallel sunk keys, Parallel sunk keys are widely 

Unless otherwise specified, the shaft keyway is assumed to be standard. A list of standard keyway and corresponding key sizes for English shafts are listed below in Table 1. The