Key Depth and Spacing Information
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American Lock
    -American Lock Tubular (New)
    -American Lock Tubular (Old)
Arrow
Assa V-10 High Security
Chicago Tubular
Corbin and Corbin/Russwin
    -Corbin Russwin Z and DH Class - System 70
    -Corbin Emhart High Security - Z and DH Class, System 70
    -Corbin Z Class - Pre-System 70
    -Corbin X Class - System 70
    -Corbin X Class - Pre-System 70
Dexter
Falcon (Not IC)
Fort Tubular
Greenwald Tubular
Ilco
Kwikset
    -Kwikset (Standard)
    -Kwikset (Titan)
Lockwood
Medeco
    -Medeco Biaxial/M3
    -Medeco Classic
    -Medeco KeyMark
Russwin
    -Russwin DH Class - Pre-System 70
    -Russwin N Class - System 70
    -Russwin N Class - Pre-System 70
    -Russwin 981 Class
    -Old Russwin 852 Class
    -Old Russwin A Class
    -Old Russwin 752
Sargent
Schlage
Segal
Weiser
Weslock
Yale
    -Yale
    -Yale KeyMark
| Corbin Russwin Z and DH Class - System 70 Depth and Spacing Information
|
|   | 1 | 2 | 3 | 4 | 5 | 6 | 7 |
Spacing: | 0.250" | 0.406" | 0.562" | 0.718" | 0.874" | 1.030" | 1.186" |
Depth: | 0.339" | 0.311" | 0.283" | 0.255" | 0.227" | 0.199" |
MACS: | 4 |
| Notes: (None) |
| Corbin Emhart High Security - Z and DH Class, System 70 Depth and Spacing Information
|
|   | 1 | 2 | 3 | 4 | 5 | 6 |
Spacing: | 0.250" | 0.406" | 0.562" | 0.718" | 0.874" | 1.030" |
Depth: |   | 0.305" | 0.277" | 0.249" | 0.221" | 0.193" |
MACS | Same Angle: | 4 |
  | Diff. Angle: | 3 |
| Notes: Emhart cylinder can't have #1 cuts; angles are left and right 20° |
| Corbin Z Class - Pre-System 70 Depth and Spacing Information
|
|   | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 0 |
Spacing: | 0.250" | 0.406" | 0.562" | 0.718" | 0.874" | 1.030" | 1.186" |
Depth: | 0.339" | 0.325" | 0.311" | 0.297" | 0.283" | 0.269" | 0.255" | 0.241" | 0.227" | 0.213" |
MACS: | 8 |
| Notes: (None) |
| Russwin DH Class - Pre-System 70 Depth and Spacing Information
|
|   | 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 |
Spacing: |   | 0.250" | 0.406" | 0.562" | 0.718" | 0.874" | 1.030" | 1.186" |
Depth: | 0.341" | 0.326" | 0.311" | 0.296" | 0.281" | 0.266" | 0.251" | 0.236" | 0.221" | 0.206" |
MACS: | 7 |
| Notes: (None) |
| Corbin X Class - System 70 Depth and Space Information
|
|   | 1 | 2 | 3 | 4 | 5 | 6 | 7 |
Spacing: | 0.197" | 0.353" | 0.509" | 0.665" | 0.821" | 0.977" | 1.133" |
Depth: | 0.333" | 0.305" | 0.277" | 0.249" | 0.221" | 0.193" |   |
MACS: | 4 |
| Notes: (None) |
| Corbin X Class - Pre-System 70 Depth and Space Information
|
|   | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 0 |
Spacing: | 0.197" | 0.353" | 0.509" | 0.665" | 0.821" | 0.977" | 1.133" |
Depth: | 0.333" | 0.319" | 0.305" | 0.291" | 0.277" | 0.263" | 0.249" | 0.235" | 0.221" | 0.207" |
MACS: | 7 |
| Notes: (None) |
| Russwin N Class - System 70 Depth and Space Information
|
|   | 1 | 2 | 3 | 4 | 5 | 6 | 7 |
Spacing: | 0.250" | 0.406" | 0.562" | 0.718" | 0.874" | 1.030" | 1.186" |
Depth: | 0.334" | 0.306" | 0.278" | 0.250" | 0.222" | 0.194" |
MACS: | 4 |
| Notes: (None) |
| Russwin N Class - Pre-System 70 Depth and Space Information
|
|   | 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 |
Spacing: |   | 0.250" | 0.406" | 0.562" | 0.718" | 0.874" | 1.030" | 1.186" |
Depth: | 0.328" | 0.313" | 0.298" | 0.283" | 0.268" | 0.253" | 0.238" | 0.223" | 0.208" | 0.193" |
MACS: | 7 |
| Notes: (None) |
| Russwin 981 Class Depth and Space Information
|
|   | B | 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 |
Spacing: |   |   | 0.250" | 0.406" | 0.562" | 0.718" | 0.874" | 1.030" | 1.186" |
Depth: | 0.338" | 0.323" | 0.308" | 0.293" | 0.278" | 0.263" | 0.248" | 0.233" | 0.218" | 0.203" |
MACS: | 7 |
| Notes: (None) |
| Old Russwin 852 Class Depth and Space Information
|
|   | B | 0 | 1 | 2 | 3 | 4 | 5 | 6 |
Spacing: |   |   | 0.250" | 0.406" | 0.562" | 0.718" | 0.874" | 1.030" |
Depth: | 0.325" | 0.305" | 0.285" | 0.265" | 0.245" | 0.225" | 0.205" | 0.185" |
MACS: | 5 |
| Notes: (None) |
| Old Russwin A Class Depth and Space Information
|
|   | 0 | 1 | 2 | 3 | 4 | 5 | 6 |
Spacing: |   | 0.250" | 0.406" | 0.562" | 0.718" | .874" | 1.030" |
Depth: | 0.315" | 0.295" | 0.275" | 0.255" | 0.235" | 0.215" | 0.195" |
MACS: | 5 |
| Notes: (None) |
| Old Russwin 752 Depth and Spacing Information
|
|   | 0 | 1 | 2 | 3 | 4 | 5 | 6 |
Spacing: |   | 0.250" | 0.406" | 0.562" | 0.718" | .874" |   |
Depth: | 0.310" | 0.290" | 0.270" | 0.250" | 0.230" | 0.210" | 0.190" |
MACS: | 5 |
| Notes: (None) |
| Chicago Tubular Depth and Spacing Information
|
|   | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 |
Depth: | 0.0155" | 0.0310" | 0.0465" | 0.0620" | 0.0775" | 0.093" | 0.1085" | 0.1240" |
MACS: | n/a |
| Notes: This information is common between ACE and ACE II, and Offset Left, Standard, and Offset Right |
| Fort Tubular Depth and Space Information
|
|   | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 |
Depth: | 0.0155" | 0.0310" | 0.0465" | 0.0620" | 0.0775" | 0.093" | 0.1085" | 0.1240" |
MACS: | n/a |
| Notes: (None) |
| American Lock Tubular (New) Depth and Space Information
|
|   | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 |
Depth: | 0.0150" | 0.0310" | 0.0465" | 0.0620" | 0.0775" | 0.0930" | 0.1085" | 0.124" |
MACS: | n/a |
| Notes: (None) |
| American Lock Tubular (Old) Depth and Space Information
|
|   | 2 | 3 | 4 | 5 |
Depth: | 0.030" | 0.045" | 0.060" | 0.075" |
MACS: | n/a |
| Notes: (None) |
| Greenwald Tubular Depth and Spacing Information
|
|   | 1 | 2 | 3 | 4 | 5 | 6 | 7 |
Depth: | 0.012" | 0.027" | 0.043" | 0.058" | 0.074" | 0.089" | 0.105" |
MACS: | n/a |
| Notes: (None) |
| Assa V-10 High Security Depth and Spacing Information
|
|   | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 |
Spacing: | 0.2638" | 0.4179" | 0.5675" | 0.7171" | 0.8667" | 1.0163" |
Depth: | 0.1587" | 0.1823" | 0.2059" | 0.2295" | 0.2531" | 0.2768" | 0.3004" | 0.3240" | 0.3476" |
MACS: | 5 |
| Notes: Assa high security cylinders also feature a second row of pins to interact with a sidebar; Also, a #9 depth is shallow, and a #1 depth is deep |
| Sargent Depth and Spacing Information
|
|   | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 / 0 |
Spacing: | 0.216" | 0.372" | 0.528" | 0.684" | 0.840" | 0.996" |
Depth: | 0.328" | 0.308" | 0.288" | 0.268" | 0.248" | 0.228" | 0.208" | 0.188" | 0.168" | 0.148" |
MACS: | 7 |
| Notes: (None) |
| Medeco Biaxial/M3 Depth and Spacing Information
|
|   | 1 | 2 | 3 | 4 | 5 | 6 |
  | F | A | F | A | F | A | F | A | F | A | F | A |
Spacing: | 0.213" | 0.275" | 0.383" | 0.445" | 0.553" | 0.615" | 0.723" | 0.785" | 0.893" | 0.955" | 1.063" | 1.125" |
Depth: | 0.272" | 0.247" | 0.222" | 0.197" | 0.172" | 0.142" |
MACS | Aft to Fore | 2 |
  | Fore to Fore | 3 |
  | Aft to Aft | 3 |
  | Fore to Aft | 4 |
| Notes: Angles are left, right, and center; 20° angles used. Fore cuts are K, B, and Q (left, right, and center) and Aft cuts are M, D, and S. |
| Yale KeyMark Depth and Spacing Information
|
|   | 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 |
Spacing: |   | 0.090" | 0.240" | 0.390" | 0.540" | 0.690" | 0.840" | 0.990" |
Depth: | 0.1385" | 0.1260" | 0.1135" | 0.1010" | 0.0885" | 0.0760" | 0.0635" | 0.0510" | 0.0385" | 0.0260" |
MACS: | 9 |
| Notes: Cuts are tip to bow, and depths are measured from the bottom "ledge" of the key rather than the absolute bottom of the blank. |
| Arrow Depth and Spacing Information
|
|   | 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 |
Spacing: |   | 0.256" | 0.411" | 0.566" | 0.721" | 0.876" | 1.031" |
Depth: | 0.312" | 0.298" | 0.284" | 0.270" | 0.256" | 0.242" | 0.228" | 0.214" | 0.200" | 0.186" |
MACS: | 7 |
| Notes: (None) |
| Dexter Depth and Spacing Information
|
|   | 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 |
Spacing: |   | 0.216" | 0.371" | 0.526" | 0.681" | 0.836" |
Depth: | 0.320" | 0.305" | 0.290" | 0.275" | 0.260" | 0.245" | 0.230" | 0.215" | 0.200" | 0.185" |
MACS: | 7 |
| Notes: (None) |
| Falcon (Not IC) Depth and Spacing Information
|
|   | 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 |
Spacing: |   | 0.237" | 0.393" | 0.549" | 0.705" | 0.861" | 1.017" |
Depth: | 0.315" | 0.297" | 0.279" | 0.261" | 0.243" | 0.225" | 0.207" | 0.189" | 0.171" | 0.153" |
MACS: | 7 |
| Notes: (None) |
| Ilco Depth and Spacing Information
|
|   | 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 |
Spacing: |   | 0.277" | 0.433" | 0.589" | 0.745" | 0.901" | 1.057" |
Depth: | 0.320" | 0.302" | 0.284" | 0.266" | 0.248" | 0.230" | 0.212" | 0.194" | 0.176" | 0.158" |
MACS: | 7 |
| Notes: (None) |
| Kwikset (Standard) Depth and Spacing Information
|
|   | 1 | 2 | 3 | 4 | 5 | 6 | 7 |
Spacing: | 0.247" | 0.397" | 0.547" | 0.697" | 0.847" |
Depth: | 0.329" | 0.306" | 0.283" | 0.260" | 0.237" | 0.214" | 0.191" |
MACS: | 4 |
| Notes: Kwikset SmartKey also uses these specs, with the exception of the #7 depth (which SmartKey doesn't use). A #7 is only used in master keying standard Kwikset. |
| Kwikset (Titan) Depth and Spacing Information
|
|   | 1 | 2 | 3 | 4 | 5 | 6 | 7 |
Spacing: | 0.097" | 0.247" | 0.397" | 0.547" | 0.697" | 0.847" |
Depth: | 0.329" | 0.306" | 0.283" | 0.260" | 0.237" | 0.214" | 0.191" |
MACS: | 4 |
| Notes: (None) |
| Lockwood Depth and Spacing Information
|
|   | 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 |
Spacing: |   | 0.277" | 0.433" | 0.589" | 0.745" | 0.901" | 1.057" |
Depth: | 0.320" | 0.305" | 0.290" | 0.275" | 0.260" | 0.245" | 0.230" | 0.215" | 0.200" | 0.185" |
MACS: | 7 |
| Notes: (None) |
| Medeco Classic Depth and Spacing Information
|
|   | 1 | 2 | 3 | 4 | 5 | 6 |
Spacing: | 0.244" | 0.414" | 0.584" | 0.754" | 0.924" | 1.094" |
Depth: | 0.266" | 0.236" | 0.206" | 0.176" | 0.146" | 0.116" |
MACS: | 4 |
| Notes: These locks use left, right, and center cuts (20°) |
| Medeco KeyMark Depth and Spacing Information
|
|   | 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 |
Spacing: |   | 0.090" | 0.240" | 0.390" | 0.540" | 0.690" | 0.840" | 0.990" |
Depth: | 0.1385" | 0.1260" | 0.1135" | 0.1010" | 0.0885" | 0.0760" | 0.0635" | 0.0510" | 0.0385" | 0.0260" |
MACS: | 9 |
| Notes: Cuts are tip to bow, and depths are measured from the bottom "ledge" of the key rather than the absolute bottom of the blank. |
| Schlage Depth and Spacing Information
|
|   | 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 |
Spacing: |   | 0.231" | 0.387" | 0.543" | 0.699" | 0.855" | 1.011" |
Depth: | 0.335" | 0.320" | 0.305" | 0.290" | 0.275" | 0.260" | 0.245" | 0.230" | 0.215" | 0.200" |
MACS: | 7 |
| Notes: (None) |
| Segal Depth and Spacing Information
|
|   | 0 | 1 | 2 | 3 | 4 | 5 | 6 |
Spacing: |   | 0.262" | 0.418" | 0.574" | 0.730" | 0.886" | 1.042" |
Depth: | 0.315" | 0.295" | 0.275" | 0.255" | 0.235" | 0.215" | 0.195" |
MACS: | 5 |
| Notes: (None) |
| Weiser Depth and Spacing Information
|
|   | 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 |
Spacing: |   | 0.237" | 0.393" | 0.549" | 0.705" | 0.861" |
Depth: | 0.315" | 0.297" | 0.279" | 0.261" | 0.243" | 0.225" | 0.207" | 0.189" | 0.171" | 0.153" |
MACS: | 7 |
| Notes: (None) |
| Weslock Depth and Spacing Information
|
|   | 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 |
Spacing: |   | 0.220" | 0.376" | 0.532" | 0.688" | 0.844" |
Depth: | 0.330" | 0.314" | 0.299" | 0.283" | 0.268" | 0.252" | 0.236" | 0.221" | 0.205" | 0.190" |
MACS: | 7 |
| Notes: (None) |
| Yale Depth and Spacing Information
|
|   | 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 |
Spacing: |   | 0.206" | 0.371" | 0.536" | 0.701" | 0.866" | 1.031" |
Depth: | 0.320" | 0.301" | 0.282" | 0.263" | 0.244" | 0.225" | 0.206" | 0.187" | 0.168" | 0.149" |
MACS: | 7 |
| Notes: (None) |