SKU: GWS256 Categories: , ,

Series 256

SKU: GWS256 Categories: , ,

Additional information

Brand

GWS Tool Group

Series

256

 

The Micro End Mills Series 256 is a premium collection of ultra-precision cutting tools designed for advanced micro-machining applications. Ideal for industries that demand intricate detailing and high accuracy, such as medical devices, aerospace, and microelectronics, these end mills deliver exceptional cutting performance and reliability.

Crafted from high-quality, ultra-fine grain carbide, the Series 256 end mills provide outstanding hardness and toughness. This ensures excellent wear resistance and extended tool life, even under the most challenging machining conditions. The series offers a variety of end mill types, including square end, ball end, and corner radius, to meet a wide range of micro-milling requirements.

Each end mill in the Series 256 is meticulously ground to achieve superior sharpness and precision, essential for maintaining tight tolerances and producing high-quality surface finishes in micro-machining tasks. The advanced cutting geometry promotes efficient chip evacuation and minimizes heat generation, thereby enhancing tool performance and stability.

To further enhance their performance, the Series 256 micro end mills are available with advanced coatings such as Titanium Aluminum Nitride (TiAlN) and Diamond-Like Carbon (DLC). These coatings reduce friction, increase surface hardness, and allow for higher cutting speeds, significantly improving machining efficiency and productivity.

The Series 256 micro end mills come in a comprehensive range of sizes, shank diameters, and flute lengths, offering versatile solutions for various micro-milling operations. Their precise and durable construction makes them the perfect choice for achieving superior results in complex and delicate milling projects.

 

Part
Diameter (D1)
LOC (L1)
OAL (L)
Shank (D)
Coating
(.010) .010
(0.03) 0.03
(1.500) 1-1/2
(.1250) 1/8
Bright
(.010) .010
(0.03) 0.03
(1.500) 1-1/2
(.1250) 1/8
AlTiN
(.011) .011
(0.033) 0.033
(1.500) 1-1/2
(.1250) 1/8
Bright
(.011) .011
(0.033) 0.033
(1.500) 1-1/2
(.1250) 1/8
AlTiN
(.012) .012
(0.036) 0.036
(1.500) 1-1/2
(.1250) 1/8
Bright
(.012) .012
(0.036) 0.036
(1.500) 1-1/2
(.1250) 1/8
AlTiN
(.013) .013
(0.039) 0.039
(1.500) 1-1/2
(.1250) 1/8
Bright
(.013) .013
(0.039) 0.039
(1.500) 1-1/2
(.1250) 1/8
AlTiN
(.014) .014
(0.042) 0.042
(1.500) 1-1/2
(.1250) 1/8
Bright
(.014) .014
(0.042) 0.042
(1.500) 1-1/2
(.1250) 1/8
AlTiN
(.015) .015
(0.045) 0.045
(1.500) 1-1/2
(.1250) 1/8
Bright
(.015) .015
(0.045) 0.045
(1.500) 1-1/2
(.1250) 1/8
AlTiN
(.016) .016
(0.048) 0.048
(1.500) 1-1/2
(.1250) 1/8
Bright
(.016) .016
(0.048) 0.048
(1.500) 1-1/2
(.1250) 1/8
AlTiN
(.017) .017
(0.051) 0.051
(1.500) 1-1/2
(.1250) 1/8
Bright
(.017) .017
(0.051) 0.051
(1.500) 1-1/2
(.1250) 1/8
AlTiN
(.018) .018
(0.054) 0.054
(1.500) 1-1/2
(.1250) 1/8
Bright
(.018) .018
(0.054) 0.054
(1.500) 1-1/2
(.1250) 1/8
AlTiN
(.019) .019
(0.057) 0.057
(1.500) 1-1/2
(.1250) 1/8
Bright
(.019) .019
(0.057) 0.057
(1.500) 1-1/2
(.1250) 1/8
AlTiN
(.020) .020
(0.06) 0.06
(1.500) 1-1/2
(.1250) 1/8
Bright
(.020) .020
(0.06) 0.06
(1.500) 1-1/2
(.1250) 1/8
AlTiN
(.021) .021
(0.063) 0.063
(1.500) 1-1/2
(.1250) 1/8
Bright
(.021) .021
(0.063) 0.063
(1.500) 1-1/2
(.1250) 1/8
AlTiN
(.022) .022
(0.066) 0.066
(1.500) 1-1/2
(.1250) 1/8
Bright
(.022) .022
(0.066) 0.066
(1.500) 1-1/2
(.1250) 1/8
AlTiN
(.023) .023
(0.069) 0.069
(1.500) 1-1/2
(.1250) 1/8
Bright
(.023) .023
(0.069) 0.069
(1.500) 1-1/2
(.1250) 1/8
AlTiN
(.024) .024
(0.072) 0.072
(1.500) 1-1/2
(.1250) 1/8
Bright
(.024) .024
(0.072) 0.072
(1.500) 1-1/2
(.1250) 1/8
AlTiN
(.025) .025
(0.075) 0.075
(1.500) 1-1/2
(.1250) 1/8
Bright
(.025) .025
(0.075) 0.075
(1.500) 1-1/2
(.1250) 1/8
AlTiN
(.026) .026
(0.078) 0.078
(1.500) 1-1/2
(.1250) 1/8
Bright
(.026) .026
(0.078) 0.078
(1.500) 1-1/2
(.1250) 1/8
AlTiN
(.027) .027
(0.081) 0.081
(1.500) 1-1/2
(.1250) 1/8
Bright
(.027) .027
(0.081) 0.081
(1.500) 1-1/2
(.1250) 1/8
AlTiN
(.028) .028
(0.084) 0.084
(1.500) 1-1/2
(.1250) 1/8
Bright
(.028) .028
(0.084) 0.084
(1.500) 1-1/2
(.1250) 1/8
AlTiN
(.029) .029
(0.087) 0.087
(1.500) 1-1/2
(.1250) 1/8
Bright
(.029) .029
(0.087) 0.087
(1.500) 1-1/2
(.1250) 1/8
AlTiN
(.030) .030
(0.09) 0.09
(1.500) 1-1/2
(.1250) 1/8
Bright
(.030) .030
(0.09) 0.09
(1.500) 1-1/2
(.1250) 1/8
AlTiN
(.031) .031
(0.093) 0.093
(1.500) 1-1/2
(.1250) 1/8
Bright
(.031) .031
(0.093) 0.093
(1.500) 1-1/2
(.1250) 1/8
AlTiN
(.032) .032
(0.096) 0.096
(1.500) 1-1/2
(.1250) 1/8
Bright
(.032) .032
(0.096) 0.096
(1.500) 1-1/2
(.1250) 1/8
AlTiN
(.033) .033
(0.099) 0.099
(1.500) 1-1/2
(.1250) 1/8
Bright
(.033) .033
(0.099) 0.099
(1.500) 1-1/2
(.1250) 1/8
AlTiN
(.034) .034
(0.102) 0.102
(1.500) 1-1/2
(.1250) 1/8
Bright
(.034) .034
(0.102) 0.102
(1.500) 1-1/2
(.1250) 1/8
AlTiN
(.035) .035
(0.105) 0.105
(1.500) 1-1/2
(.1250) 1/8
Bright
(.035) .035
(0.105) 0.105
(1.500) 1-1/2
(.1250) 1/8
AlTiN
(.036) .036
(0.108) 0.108
(1.500) 1-1/2
(.1250) 1/8
Bright
(.036) .036
(0.108) 0.108
(1.500) 1-1/2
(.1250) 1/8
AlTiN
(.037) .037
(0.111) 0.111
(1.500) 1-1/2
(.1250) 1/8
Bright
(.037) .037
(0.111) 0.111
(1.500) 1-1/2
(.1250) 1/8
AlTiN
(.038) .038
(0.114) 0.114
(1.500) 1-1/2
(.1250) 1/8
Bright
(.038) .038
(0.114) 0.114
(1.500) 1-1/2
(.1250) 1/8
AlTiN
(.039) .039
(0.117) 0.117
(1.500) 1-1/2
(.1250) 1/8
Bright
(.039) .039
(0.117) 0.117
(1.500) 1-1/2
(.1250) 1/8
AlTiN
(.040) .040
(0.12) 0.12
(1.500) 1-1/2
(.1250) 1/8
Bright
(.040) .040
(0.12) 0.12
(1.500) 1-1/2
(.1250) 1/8
AlTiN
(.041) .041
(0.123) 0.123
(1.500) 1-1/2
(.1250) 1/8
Bright
(.041) .041
(0.123) 0.123
(1.500) 1-1/2
(.1250) 1/8
AlTiN
(.042) .042
(0.126) 0.126
(1.500) 1-1/2
(.1250) 1/8
Bright
(.042) .042
(0.126) 0.126
(1.500) 1-1/2
(.1250) 1/8
AlTiN
(.043) .043
(0.129) 0.129
(1.500) 1-1/2
(.1250) 1/8
Bright
(.043) .043
(0.129) 0.129
(1.500) 1-1/2
(.1250) 1/8
AlTiN
(.044) .044
(0.132) 0.132
(1.500) 1-1/2
(.1250) 1/8
Bright
(.044) .044
(0.132) 0.132
(1.500) 1-1/2
(.1250) 1/8
AlTiN
(.045) .045
(0.135) 0.135
(1.500) 1-1/2
(.1250) 1/8
Bright
(.045) .045
(0.135) 0.135
(1.500) 1-1/2
(.1250) 1/8
AlTiN
(.046) .046
(0.138) 0.138
(1.500) 1-1/2
(.1250) 1/8
Bright
(.046) .046
(0.138) 0.138
(1.500) 1-1/2
(.1250) 1/8
AlTiN
(.047) .047
(0.141) 0.141
(1.500) 1-1/2
(.1250) 1/8
Bright
(.047) .047
(0.141) 0.141
(1.500) 1-1/2
(.1250) 1/8
AlTiN
(.048) .048
(0.144) 0.144
(1.500) 1-1/2
(.1250) 1/8
Bright
(.048) .048
(0.144) 0.144
(1.500) 1-1/2
(.1250) 1/8
AlTiN
(.049) .049
(0.147) 0.147
(1.500) 1-1/2
(.1250) 1/8
Bright
(.049) .049
(0.147) 0.147
(1.500) 1-1/2
(.1250) 1/8
AlTiN
(.050) .050
(0.15) 0.15
(1.500) 1-1/2
(.1250) 1/8
Bright
(.050) .050
(0.15) 0.15
(1.500) 1-1/2
(.1250) 1/8
AlTiN
(.051) .051
(0.153) 0.153
(1.500) 1-1/2
(.1250) 1/8
Bright
(.051) .051
(0.153) 0.153
(1.500) 1-1/2
(.1250) 1/8
AlTiN
(.052) .052
(0.156) 0.156
(1.500) 1-1/2
(.1250) 1/8
Bright
(.052) .052
(0.156) 0.156
(1.500) 1-1/2
(.1250) 1/8
AlTiN
(.053) .053
(0.159) 0.159
(1.500) 1-1/2
(.1250) 1/8
Bright
(.053) .053
(0.159) 0.159
(1.500) 1-1/2
(.1250) 1/8
AlTiN
(.054) .054
(0.162) 0.162
(1.500) 1-1/2
(.1250) 1/8
Bright
(.054) .054
(0.162) 0.162
(1.500) 1-1/2
(.1250) 1/8
AlTiN
(.055) .055
(0.165) 0.165
(1.500) 1-1/2
(.1250) 1/8
Bright
(.055) .055
(0.165) 0.165
(1.500) 1-1/2
(.1250) 1/8
AlTiN
(.056) .056
(0.168) 0.168
(1.500) 1-1/2
(.1250) 1/8
Bright
(.056) .056
(0.168) 0.168
(1.500) 1-1/2
(.1250) 1/8
AlTiN
(.057) .057
(0.171) 0.171
(1.500) 1-1/2
(.1250) 1/8
Bright
(.057) .057
(0.171) 0.171
(1.500) 1-1/2
(.1250) 1/8
AlTiN
(.058) .058
(0.174) 0.174
(1.500) 1-1/2
(.1250) 1/8
Bright
(.058) .058
(0.174) 0.174
(1.500) 1-1/2
(.1250) 1/8
AlTiN
(.059) .059
(0.177) 0.177
(1.500) 1-1/2
(.1250) 1/8
Bright
(.059) .059
(0.177) 0.177
(1.500) 1-1/2
(.1250) 1/8
AlTiN
(.060) .060
(0.18) 0.18
(1.500) 1-1/2
(.1250) 1/8
Bright
(.060) .060
(0.18) 0.18
(1.500) 1-1/2
(.1250) 1/8
AlTiN
(.061) .061
(0.183) 0.183
(1.500) 1-1/2
(.1250) 1/8
Bright
(.061) .061
(0.183) 0.183
(1.500) 1-1/2
(.1250) 1/8
AlTiN
(.062) .062
(0.186) 0.186
(1.500) 1-1/2
(.1250) 1/8
Bright
(.062) .062
(0.186) 0.186
(1.500) 1-1/2
(.1250) 1/8
AlTiN
(.063) .063
(0.189) 0.189
(1.500) 1-1/2
(.1250) 1/8
Bright
(.063) .063
(0.189) 0.189
(1.500) 1-1/2
(.1250) 1/8
AlTiN
(.064) .064
(0.192) 0.192
(1.500) 1-1/2
(.1250) 1/8
Bright
(.064) .064
(0.192) 0.192
(1.500) 1-1/2
(.1250) 1/8
AlTiN
(.065) .065
(0.195) 0.195
(1.500) 1-1/2
(.1250) 1/8
Bright
(.065) .065
(0.195) 0.195
(1.500) 1-1/2
(.1250) 1/8
AlTiN
(.070) .070
(0.21) 0.21
(1.500) 1-1/2
(.1250) 1/8
Bright
(.070) .070
(0.21) 0.21
(1.500) 1-1/2
(.1250) 1/8
AlTiN
(.075) .075
(0.225) 0.225
(1.500) 1-1/2
(.1250) 1/8
Bright
(.075) .075
(0.225) 0.225
(1.500) 1-1/2
(.1250) 1/8
AlTiN
(.080) .080
(0.24) 0.24
(1.500) 1-1/2
(.1250) 1/8
Bright
(.080) .080
(0.24) 0.24
(1.500) 1-1/2
(.1250) 1/8
AlTiN
(.085) .085
(0.255) 0.255
(1.500) 1-1/2
(.1250) 1/8
Bright
(.085) .085
(0.255) 0.255
(1.500) 1-1/2
(.1250) 1/8
AlTiN
(.090) .090
(0.27) 0.27
(1.500) 1-1/2
(.1250) 1/8
Bright
(.090) .090
(0.27) 0.27
(1.500) 1-1/2
(.1250) 1/8
AlTiN
(.095) .095
(0.285) 0.285
(1.500) 1-1/2
(.1250) 1/8
Bright
(.095) .095
(0.285) 0.285
(1.500) 1-1/2
(.1250) 1/8
AlTiN
(.100) .100
(0.3) 0.3
(1.500) 1-1/2
(.1250) 1/8
Bright
(.100) .100
(0.3) 0.3
(1.500) 1-1/2
(.1250) 1/8
AlTiN
(.105) .105
(0.315) 0.315
(1.500) 1-1/2
(.1250) 1/8
Bright
(.105) .105
(0.315) 0.315
(1.500) 1-1/2
(.1250) 1/8
AlTiN
(.110) .110
(0.33) 0.33
(1.500) 1-1/2
(.1250) 1/8
Bright
(.110) .110
(0.33) 0.33
(1.500) 1-1/2
(.1250) 1/8
AlTiN
(.115) .115
(0.345) 0.345
(1.500) 1-1/2
(.1250) 1/8
Bright
(.115) .115
(0.345) 0.345
(1.500) 1-1/2
(.1250) 1/8
AlTiN
(.120) .120
(0.36) 0.36
(1.500) 1-1/2
(.1250) 1/8
Bright
(.120) .120
(0.36) 0.36
(1.500) 1-1/2
(.1250) 1/8
AlTiN
(.010) .010
(0.015) 0.015
(1.500) 1-1/2
(.1250) 1/8
Bright
(.010) .010
(0.015) 0.015
(1.500) 1-1/2
(.1250) 1/8
AlTiN
(.015) .015
(0.023) 0.023
(1.500) 1-1/2
(.1250) 1/8
Bright
(.015) .015
(0.023) 0.023
(1.500) 1-1/2
(.1250) 1/8
AlTiN
(.020) .020
(0.03) 0.03
(1.500) 1-1/2
(.1250) 1/8
Bright
(.020) .020
(0.03) 0.03
(1.500) 1-1/2
(.1250) 1/8
AlTiN
(.025) .025
(0.038) 0.038
(1.500) 1-1/2
(.1250) 1/8
Bright
(.025) .025
(0.038) 0.038
(1.500) 1-1/2
(.1250) 1/8
AlTiN
(.030) .030
(0.045) 0.045
(1.500) 1-1/2
(.1250) 1/8
Bright
(.030) .030
(0.045) 0.045
(1.500) 1-1/2
(.1250) 1/8
AlTiN
(.035) .035
(0.053) 0.053
(1.500) 1-1/2
(.1250) 1/8
Bright
(.035) .035
(0.053) 0.053
(1.500) 1-1/2
(.1250) 1/8
AlTiN
(.040) .040
(0.06) 0.06
(1.500) 1-1/2
(.1250) 1/8
Bright
(.040) .040
(0.06) 0.06
(1.500) 1-1/2
(.1250) 1/8
AlTiN
(.045) .045
(0.068) 0.068
(1.500) 1-1/2
(.1250) 1/8
Bright
(.045) .045
(0.068) 0.068
(1.500) 1-1/2
(.1250) 1/8
AlTiN
(.050) .050
(0.075) 0.075
(1.500) 1-1/2
(.1250) 1/8
Bright
(.050) .050
(0.075) 0.075
(1.500) 1-1/2
(.1250) 1/8
AlTiN
(.055) .055
(0.083) 0.083
(1.500) 1-1/2
(.1250) 1/8
Bright
(.055) .055
(0.083) 0.083
(1.500) 1-1/2
(.1250) 1/8
AlTiN
(.060) .060
(0.09) 0.09
(1.500) 1-1/2
(.1250) 1/8
Bright
(.060) .060
(0.09) 0.09
(1.500) 1-1/2
(.1250) 1/8
AlTiN
(.065) .065
(0.098) 0.098
(1.500) 1-1/2
(.1250) 1/8
Bright
(.065) .065
(0.098) 0.098
(1.500) 1-1/2
(.1250) 1/8
AlTiN
(.070) .070
(0.105) 0.105
(1.500) 1-1/2
(.1250) 1/8
Bright
(.070) .070
(0.105) 0.105
(1.500) 1-1/2
(.1250) 1/8
AlTiN
(.075) .075
(0.113) 0.113
(1.500) 1-1/2
(.1250) 1/8
Bright
(.075) .075
(0.113) 0.113
(1.500) 1-1/2
(.1250) 1/8
AlTiN
(.080) .080
(0.12) 0.12
(1.500) 1-1/2
(.1250) 1/8
Bright
(.080) .080
(0.12) 0.12
(1.500) 1-1/2
(.1250) 1/8
AlTiN
(.085) .085
(0.128) 0.128
(1.500) 1-1/2
(.1250) 1/8
Bright
(.085) .085
(0.128) 0.128
(1.500) 1-1/2
(.1250) 1/8
AlTiN
(.090) .090
(0.135) 0.135
(1.500) 1-1/2
(.1250) 1/8
Bright
(.090) .090
(0.135) 0.135
(1.500) 1-1/2
(.1250) 1/8
AlTiN
(.095) .095
(0.143) 0.143
(1.500) 1-1/2
(.1250) 1/8
Bright
(.095) .095
(0.143) 0.143
(1.500) 1-1/2
(.1250) 1/8
AlTiN
(.100) .100
(0.15) 0.15
(1.500) 1-1/2
(.1250) 1/8
Bright
(.100) .100
(0.15) 0.15
(1.500) 1-1/2
(.1250) 1/8
AlTiN
(.105) .105
(0.158) 0.158
(1.500) 1-1/2
(.1250) 1/8
Bright
(.105) .105
(0.158) 0.158
(1.500) 1-1/2
(.1250) 1/8
AlTiN
(.110) .110
(0.165) 0.165
(1.500) 1-1/2
(.1250) 1/8
Bright
(.110) .110
(0.165) 0.165
(1.500) 1-1/2
(.1250) 1/8
AlTiN
(.115) .115
(0.173) 0.173
(1.500) 1-1/2
(.1250) 1/8
Bright
(.115) .115
(0.173) 0.173
(1.500) 1-1/2
(.1250) 1/8
AlTiN
(.120) .120
(0.18) 0.18
(1.500) 1-1/2
(.1250) 1/8
Bright
(.120) .120
(0.18) 0.18
(1.500) 1-1/2
(.1250) 1/8
AlTiN
(.0156) 1/64
(.1250) 1/8
(2.500) 2-1/2
(.1250) 1/8
Bright
(.0156) 1/64
(.1250) 1/8
(2.500) 2-1/2
(.1250) 1/8
AlTiN
(.0312) 1/32
(.2500) 1/4
(2.500) 2-1/2
(.1250) 1/8
Bright
(.0312) 1/32
(.2500) 1/4
(2.500) 2-1/2
(.1250) 1/8
AlTiN
(.0312) 1/32
(.3750) 3/8
(2.500) 2-1/2
(.1250) 1/8
Bright
(.0312) 1/32
(.3750) 3/8
(2.500) 2-1/2
(.1250) 1/8
AlTiN
(.0469) 3/64
(.2500) 1/4
(2.500) 2-1/2
(.1250) 1/8
Bright
(.0469) 3/64
(.2500) 1/4
(2.500) 2-1/2
(.1250) 1/8
AlTiN
(.0469) 3/64
(.3750) 3/8
(2.500) 2-1/2
(.1250) 1/8
Bright
(.0469) 3/64
(.3750) 3/8
(2.500) 2-1/2
(.1250) 1/8
AlTiN
(.0469) 3/64
(.5000) 1/2
(2.500) 2-1/2
(.1250) 1/8
Bright
(.0469) 3/64
(.5000) 1/2
(2.500) 2-1/2
(.1250) 1/8
AlTiN
(.0625) 1/16
(.5000) 1/2
(2.500) 2-1/2
(.1250) 1/8
Bright
(.0625) 1/16
(.5000) 1/2
(2.500) 2-1/2
(.1250) 1/8
AlTiN
(.0625) 1/16
(.7500) 3/4
(2.500) 2-1/2
(.1250) 1/8
Bright
(.0625) 1/16
(.7500) 3/4
(2.500) 2-1/2
(.1250) 1/8
AlTiN
(.0625) 1/16
(1) 1
(2.500) 2-1/2
(.1250) 1/8
Bright
(.0625) 1/16
(1) 1
(2.500) 2-1/2
(.1250) 1/8
AlTiN
(.0781) 5/64
(.5000) 1/2
(2.500) 2-1/2
(.1250) 1/8
Bright
(.0781) 5/64
(.5000) 1/2
(2.500) 2-1/2
(.1250) 1/8
AlTiN
(.09375) 3/32
(.5000) 1/2
(2.500) 2-1/2
(.1250) 1/8
Bright
(.09375) 3/32
(.5000) 1/2
(2.500) 2-1/2
(.1250) 1/8
AlTiN
(.09375) 3/32
(.7500) 3/4
(2.500) 2-1/2
(.1250) 1/8
Bright
(.09375) 3/32
(.7500) 3/4
(2.500) 2-1/2
(.1250) 1/8
AlTiN