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AYSWJSDACHSS-CO Straight Shank Drill for Aluminum SD-ALSold0pcsThe WJ HSS-CO Straight Shank Drill for Aluminium SD-AL pairs the aluminium-specific flute form with a cobalt substrate. The substrate is the difference: the geometry matches the non-cobalt SD-AL, but HSS-CO lifts the rating from HRC30 to HRC40 so the edge degrades more slowly during high-speed continuous drilling. For lighter duty the plain SD-AL is enough; for copper there is SD-CU and its cobalt variant; for steel use SD or STD. Substrate HSS-CO, uncoated. Sizes cover diameter 0.5~13mm, flute length 7.5~114mm and overall length 27~152mm, in 126 variants. Made in Taiwan. Does aluminium really need cobalt? Aluminium is not hard, but high-speed production builds heat quickly, and the cobalt substrate holds hardness better, extending tool-change intervals. Can it drill steel? Not recommended - steel is not among the listed materials. Typical applications: high-speed production drilling of aluminium parts, automated CNC drilling, and long continuous runs in non-ferrous metals.

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HSS-CO Straight Shank Drill for Aluminum SD-AL

The WJ HSS-CO Straight Shank Drill for Aluminium SD-AL pairs the aluminium-specific flute form with a cobalt substrate.

Specifications (126 items)

Dia.

Flute length

Overall length

Depth ratio (×D)

Point angle

0.5~1.9

7.5~28

27~52

105

Expand this group (15 specs)

Part No.	Dia.	Flute length	Overall length
AYSWJSDAC0.5	0.5	7.5	27
AYSWJSDAC0.6	0.6	8.5	30
AYSWJSDAC0.7	0.7	10	32
AYSWJSDAC0.8	0.8	11	34
AYSWJSDAC0.9	0.9	13	36
AYSWJSDAC1	1	18	40
AYSWJSDAC1.1	1.1	20	42
AYSWJSDAC1.2	1.2	20	42
AYSWJSDAC1.3	1.3	22	45
AYSWJSDAC1.4	1.4	23	48
AYSWJSDAC1.5	1.5	23	48
AYSWJSDAC1.6	1.6	25	50
AYSWJSDAC1.7	1.7	25	50
AYSWJSDAC1.8	1.8	28	52
AYSWJSDAC1.9	1.9	28	52

2~3.9

30~51

55~79

105

Expand this group (20 specs)

Part No.	Dia.	Flute length	Overall length
AYSWJSDAC2	2	30	55
AYSWJSDAC2.1	2.1	30	55
AYSWJSDAC2.2	2.2	33	58
AYSWJSDAC2.3	2.3	33	58
AYSWJSDAC2.4	2.4	35	61
AYSWJSDAC2.5	2.5	35	61
AYSWJSDAC2.6	2.6	37	64
AYSWJSDAC2.7	2.7	37	64
AYSWJSDAC2.8	2.8	39	67
AYSWJSDAC2.9	2.9	42	71
AYSWJSDAC3	3	42	71
AYSWJSDAC3.1	3.1	42	71
AYSWJSDAC3.2	3.2	42	71
AYSWJSDAC3.3	3.3	45	73
AYSWJSDAC3.4	3.4	45	73
AYSWJSDAC3.5	3.5	45	73
AYSWJSDAC3.6	3.6	48	76
AYSWJSDAC3.7	3.7	48	76
AYSWJSDAC3.8	3.8	48	76
AYSWJSDAC3.9	3.9	51	79

4~5.9

54~67

83~98

105

Expand this group (20 specs)

Part No.	Dia.	Flute length	Overall length
AYSWJSDAC4	4	54	83
AYSWJSDAC4.1	4.1	54	83
AYSWJSDAC4.2	4.2	54	83
AYSWJSDAC4.3	4.3	54	83
AYSWJSDAC4.4	4.4	56	86
AYSWJSDAC4.5	4.5	56	86
AYSWJSDAC4.6	4.6	56	86
AYSWJSDAC4.7	4.7	59	89
AYSWJSDAC4.8	4.8	59	89
AYSWJSDAC4.9	4.9	62	92
AYSWJSDAC5	5	62	92
AYSWJSDAC5.1	5.1	62	92
AYSWJSDAC5.2	5.2	64	95
AYSWJSDAC5.3	5.3	64	95
AYSWJSDAC5.4	5.4	64	95
AYSWJSDAC5.5	5.5	64	95
AYSWJSDAC5.6	5.6	67	98
AYSWJSDAC5.7	5.7	67	98
AYSWJSDAC5.8	5.8	67	98
AYSWJSDAC5.9	5.9	67	98

6~7.9

70~81

102~114

105

Expand this group (20 specs)

Part No.	Dia.	Flute length	Overall length
AYSWJSDAC6	6	70	102
AYSWJSDAC6.1	6.1	70	102
AYSWJSDAC6.2	6.2	70	102
AYSWJSDAC6.3	6.3	70	102
AYSWJSDAC6.4	6.4	73	105
AYSWJSDAC6.5	6.5	73	105
AYSWJSDAC6.6	6.6	73	105
AYSWJSDAC6.7	6.7	73	105
AYSWJSDAC6.8	6.8	73	105
AYSWJSDAC6.9	6.9	73	105
AYSWJSDAC7	7	73	105
AYSWJSDAC7.1	7.1	75	108
AYSWJSDAC7.2	7.2	75	108
AYSWJSDAC7.3	7.3	75	108
AYSWJSDAC7.4	7.4	78	111
AYSWJSDAC7.5	7.5	78	111
AYSWJSDAC7.6	7.6	78	111
AYSWJSDAC7.7	7.7	81	114
AYSWJSDAC7.8	7.8	81	114
AYSWJSDAC7.9	7.9	81	114

8~9.9

81~95

114~130

105

Expand this group (20 specs)

Part No.	Dia.	Flute length	Overall length
AYSWJSDAC8	8	81	114
AYSWJSDAC8.1	8.1	84	117
AYSWJSDAC8.2	8.2	84	117
AYSWJSDAC8.3	8.3	84	117
AYSWJSDAC8.4	8.4	87	121
AYSWJSDAC8.5	8.5	87	121
AYSWJSDAC8.6	8.6	87	121
AYSWJSDAC8.7	8.7	87	121
AYSWJSDAC8.8	8.8	89	124
AYSWJSDAC8.9	8.9	89	124
AYSWJSDAC9	9	89	124
AYSWJSDAC9.1	9.1	89	124
AYSWJSDAC9.2	9.2	92	127
AYSWJSDAC9.3	9.3	92	127
AYSWJSDAC9.4	9.4	92	127
AYSWJSDAC9.5	9.5	92	127
AYSWJSDAC9.6	9.6	95	130
AYSWJSDAC9.7	9.7	95	130
AYSWJSDAC9.8	9.8	95	130
AYSWJSDAC9.9	9.9	95	130

10~11.9

95~109

130~146

105

Expand this group (20 specs)

Part No.	Dia.	Flute length	Overall length
AYSWJSDAC10	10	95	130
AYSWJSDAC10.1	10.1	98	133
AYSWJSDAC10.2	10.2	98	133
AYSWJSDAC10.3	10.3	98	133
AYSWJSDAC10.4	10.4	98	133
AYSWJSDAC10.5	10.5	100	137
AYSWJSDAC10.6	10.6	100	137
AYSWJSDAC10.7	10.7	100	137
AYSWJSDAC10.8	10.8	103	140
AYSWJSDAC10.9	10.9	103	140
AYSWJSDAC11	11	103	140
AYSWJSDAC11.1	11.1	103	140
AYSWJSDAC11.2	11.2	106	143
AYSWJSDAC11.3	11.3	106	143
AYSWJSDAC11.4	11.4	106	143
AYSWJSDAC11.5	11.5	106	143
AYSWJSDAC11.6	11.6	109	146
AYSWJSDAC11.7	11.7	109	146
AYSWJSDAC11.8	11.8	109	146
AYSWJSDAC11.9	11.9	109	146

12~13

111~114

149~152

105

Expand this group (11 specs)

Part No.	Dia.	Flute length	Overall length
AYSWJSDAC12	12	111	149
AYSWJSDAC12.1	12.1	111	149
AYSWJSDAC12.2	12.2	111	149
AYSWJSDAC12.3	12.3	111	149
AYSWJSDAC12.4	12.4	114	152
AYSWJSDAC12.5	12.5	114	152
AYSWJSDAC12.6	12.6	114	152
AYSWJSDAC12.7	12.7	114	152
AYSWJSDAC12.8	12.8	114	152
AYSWJSDAC12.9	12.9	114	152
AYSWJSDAC13	13	114	152

Specification Range

Diameter	0.5~13mm
Flute length	7.5~114mm
Overall length	27~152mm

Product Description

The WJ HSS-CO Straight Shank Drill for Aluminium SD-AL pairs the aluminium-specific flute form with a cobalt substrate. The substrate is the difference: the geometry matches the non-cobalt SD-AL, but HSS-CO lifts the rating from HRC30 to HRC40 so the edge degrades more slowly during high-speed continuous drilling. For lighter duty the plain SD-AL is enough; for copper there is SD-CU and its cobalt variant; for steel use SD or STD. Substrate HSS-CO, uncoated. Sizes cover diameter 0.5~13mm, flute length 7.5~114mm and overall length 27~152mm, in 126 variants. Made in Taiwan. Does aluminium really need cobalt? Aluminium is not hard, but high-speed production builds heat quickly, and the cobalt substrate holds hardness better, extending tool-change intervals. Can it drill steel? Not recommended - steel is not among the listed materials. Typical applications: high-speed production drilling of aluminium parts, automated CNC drilling, and long continuous runs in non-ferrous metals.

Workpiece Materials & Hardness

Non-ferrous metals (N)

Max. workpiece hardness HRC40

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