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Home >> Sockets and Driving Accessories > 1" (25mm) Square Drive
Mekaster Tools Limited
1" (25mm) Square Drive Industrial Tools MANUAL
Mekaster Tools Limited


Mekaster Tools LtdHeavy Duty Double Hex Socket STANDARD

Mekaster Tools LimitedMetric
Part No. SW d1 d2 L
MLM-427 27 44 54 56
MLM-430 30 48 54 56
MLM-432 32 50.5 54 58
MLM-433 33 51 54 58
MLM-434 34 52.5 54 58
MLM-436 36 55 54 60
MLM-438 38 57 54 62
MLM-441 41 62 58 62
MLM-446 46 68 58 67
MLM-450 50 73 58 68
MLM-455 55 79.5 58 73
MLM-460 60 85.7 58 80


Mekaster Tools LimitedAmerican
Part No. SW d1 d2 L
ML-409 1.1/16” 44.5 54 56
ML-410 1.1/8” 46.5 54 56
ML-412 1.1/4” 50.4 54 58
ML-413 1.5/16” 50.4 54 58
ML-414 1.3/8” 54 54 58
ML-415 1.7/16” 56 54 60
ML-416 1.1/2” 57 54 62
ML-418 1.5/8” 62.3 58 62
ML-419 1.11/16” 64.3 58 65
ML-420 1.3/4” 66.2 58 65
ML-421 1.13/16” 68 58 67
ML-422 1.7/8” 70 58 68
ML-423 1.15/16” 72 58 68
ML-424 2” 74 58 70
ML-425 2.1/16” 76 58 72
ML-427 2.3/16” 80 58 73
ML-428 2.1/16” 82 58 77
ML-430 2.3/8” 86 58 80
ML-431 2.7/16” 88 58 80


Mekaster Tools LtdHeavy Duty Single Hex Socket STANDARD

Mekaster Tools LimitedMetric
Part No. SW d1 d2 L
MLM-465 65 92 58 83
MLM-470 70 98 58 86
MLM-475 75 104.5 58 95
MLM-480 80 110.8 58 100
MLM-485 85 115 58 100


Mekaster Tools LimitedAmerican
Part No. SW d1 d2 L
ML-433 2.9/16” 92 58 83
ML-434 2.5/8” 94 58 83
ML-436 2.3/4” 98 58 86
ML-437 2.13/16” 100 58 90
ML-439 2.15/16” 104 58 95
ML-440 3” 106 58 100
ML-441 3.1/8” 110 58 100
ML-443 3.3/8” 116 58 100
ML-444 3.1/2” 122 58 100


Mekaster Tools LtdSocket Sets
415-MLM  Set of 15 Sockets MLM-427 to MLM-485. Excluding MLM-433 & 434
415-MLM-B  Above sockets set in Box No. MEK-107
423-MLM-B Set of 23 Tools consisting of 415-MLM-B Socket-Set, Reversible Ratchet, Sliding T-Handle, Extension Bars 200 mm & 400 mm, Universal Joint, Square Drive Adaptors (MA-11 & MA-12) in Box No. MEK-107
415-ML-B Set of 15 Sockets ML-410, 412, 414, 416, 418, 422, 424, 428, 430, 434, 436, 440, 441, 443 and 444 in Box No. MEK-108
423-ML-B Set of 23 Tools consisting of 415-ML-B Socket-Set, Reversible Ratchet, Sliding T-Handle, Swivel Handle, Extension Bars 200 mm & 400 mm. Universal Joint, Square Drive Adaptors (MA-11 & MA-12)
428-ML-B Set of 28 Sockets listed above in Box No MEK-108
436-ML-B Set of 36 tools consisting of Sockets Set 427-ML-B Reversible Ratchet, Sliding T-handle, Swivel Handle, Extension Bars 200 mm & 400 mm, Universal Joint, Square drive Adaptors (MA-11 & MA-12) in Box No. MEK-108.


Mekaster Tools LtdHeavy Duty Double Hex Socket DEEP

Mekaster Tools LimitedMetric Double Hex
Part No. SW d1 d2 t1 t2 L
MLM-427D 27 44 54 26 50 80
MLM-430D 30 48 54 26 55 85
MLM-432D 32 50.5 54 28 55 85
MLM-433D 33 51 54 28 55 85
MLM-434D 34 52.5 54 28 60 90
MLM-436D 36 55 54 30 60 90
MLM-438D 38 57 54 32 60 90
MLM-441D 41 62 58 32 60 90
MLM-446D 46 68 58 37 70 100
MLM-450D 50 73 58 38 70 100
MLM-455D 55 79.5 58 43 80 110
MLM-460D 60 85.7 58 44 80 120


Mekaster Tools LimitedMetric Single Hex
Part No. SW d1 d2 t1 t2 L
MLM-465D 65 92 58 47 90 120
MLM-470D 70 98 58 48 100 130
MLM-475D 75 104.5 58 56 100 130
MLM-480D 80 110.8 58 56 110 140
MLM-485D 85 115 58 60 110 140


Mekaster Tools LimitedAmerican Double Hex
Part No. SW d1 d2 t1 t2 L
ML-409D 1.1/16” 44.5 54 26 50 80
ML-410D 1.1/8” 46.5 54 28 50 80
ML-412D 1.1/4” 50.4 54 28 55 85
ML-413D 1.5/16” 50.4 54 28 55 85
ML-414D 1.3/8” 54 54 28 60 90
ML-415D 1.7/16” 56 54 30 60 90
ML-416D 1.1/2” 57 54 32 60 90
ML-418D 1.5/8” 62.3 58 32 60 90
ML-419D 1.11/16” 64.3 58 35 65 95
ML-420D 1.3/4” 66.2 58 35 65 95
ML-421D 1.13/16” 68 58 37 70 100
ML-422D 1.7/8” 70 58 38 70 100
ML-423D 1.15/16” 72 58 38 70 100
ML-424D 2” 74 58 40 70 100
ML-425D 2.1/16” 76 58 42 80 110
ML-427D 2.3/16” 80 58 43 90 120
ML-428D 2.1/16” 82 58 44 90 120
ML-430D 2.3/8” 86 58 44 90 120
ML-431D 2.7/16” 88 58 44 90 120


Mekaster Tools LimitedAmerican Single Hex
Part No. SW d1 d2 t1 t2 L
ML-433D 2.9/16” 92 58 47 90 120
ML-434D 2.5/8” 94 58 47 90 120
ML-436D 2.3/4” 98 58 50 100 130
ML-437D 2.13/16” 100 58 52 100 130
ML-439D 2.15/16” 104 58 56 100 130
ML-440D 3” 106 58 56 100 130
ML-441D 3.1/8” 110 58 56 110 140
ML-443D 3.3/8” 116 58 60 110 140
ML-444D 3.1/2” 122 58 60 110 140


Mekaster Tools LtdHex Adapter (Integral)

Mekaster Tools LimitedMetric
Part No. SW d1 l1 L
HMF-417 17 54 40 100
HMF-419 19 54 40 100
HMF-422 22 54 40 100
HMF-424 24 54 50 110
HMF-427 27 54 50 110
HMF-430 30 54 50 110
HMF-432 32 54 50 110
HMF-436 36 54 50 110


Mekaster Tools LimitedAmerican
Part No. SW d2 l1 L
HF-400 3/8” 54 40 100
HF-400-2 1/2" 54 40 100
HF-401 9/16” 54 40 100
HF-402 5/8” 54 40 100
HF-404 3/4" 54 40 100
HF-406 7/8” 54 40 100
HF-407 15/16” 54 50 110
HF-408 1” 54 50 110
HF-409 1.1/16” 54 50 110
HF-410 1.1/8” 54 50 110


Mekaster Tools LtdReversible Ratchet Handle

Mekaster Tools LimitedMetric
Part No. W dt Z L
MRR-25 80 37 30 885

MRRK-25 1" Square Drive Ratchet Repair Kit. (30 Tooth)
Note :
1. Periodic clean & lubricate Ratchet Mechanism with light grade Oil e.g. SAE-IO
2. Repair Kit Optional extra. It is recommended to change all items of repair kit.


Mekaster Tools LtdSliding T Handle

Mekaster Tools LimitedMetric
Part No. D D1 L
MSB-750 48 78 750


Mekaster Tools LtdSwivel Handle

Mekaster Tools LimitedMetric
Part No. D D1 L
MSH-25 45 92 815


Mekaster Tools LtdExtension Bar

Mekaster Tools LimitedMetric
Part No. D D1 L
MEB-4200 33.8 54 200
MEB-4400 33.8 54 400


Mekaster Tools LtdUniversal Joint

Mekaster Tools LimitedMetric
Part No. d2 L
MUJ-25 63 158


Mekaster Tools LtdSquare Drive Adaptor

Mekaster Tools LimitedMetric
Part No. ¨ n d2 L Torque Limit (ft. lbs)
MA-09 3/4" (6.3mm) 1” (25 mm) 48 65 150
MA-10 1 (25 mm) 3/4" (40 mm) 54 70 985
MA-11 1 (25 mm) 1.1/2 (40 mm) 58 90 2916
MA-12 1.1/2” (40 mm) 1” (25 mm) 86 110 1629


Mekaster Tools LtdReversible Ratchet Adaptor

Mekaster Tools LimitedMetric
Part No. Z d2 L
MRA-41 36 95 117


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News & Events
Mekaster Tools Limited
Mekaster and their Principal Aker Wirth, Germany participated in Bauma Conexpo Show held at Mumbai from February 8-11, 2011.
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Mekaster Tools Limited
Mekaster Tools Limited
New Products
Battery Operated
Torque Wrench
LDA Series
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About CompanyMekaster Tools Limited
Mekaster has been pioneer in introduction of heavy-duty industrial tools in India since 1970s.
Mekaster Tools Limited