• Model NO.：990
• Steel Type：HSS M35 Cobalt 5%
• Flute Type：N
• Rotation Direction：Right Hand
• Surface Treatment：Amber Finished
• Tip Point：0.5mm to 2.9mm 118degrees, 3mm-16mm 135degrees
• Marking：Stamped Marking
• Standard Type：DIN338rn
• Shank Type：Cylindrical Shank
• Transport Package：Blister, Skin, PVC Bag, Color Paper Hanger, Paper
• Specification：0.5mm to 16mm diameter
• Trademark：OEM, HTT
• Origin：China
• HS Code：8207509000
• Production Capacity：7200000PCS,Year

Basic Info.

Model NO. 990 Steel Type HSS M35 Cobalt 5% Flute Type N Rotation Direction Right Hand Surface Treatment Amber Finished Tip Point 0.5mm to 2.9mm 118degrees, 3mm-16mm 135degrees Marking Stamped Marking Standard Type DIN338rn Shank Type Cylindrical Shank Transport Package Blister, Skin, PVC Bag, Color Paper Hanger, Paper Specification 0.5mm to 16mm diameter Trademark OEM, HTT Origin China HS Code 8207509000 Production Capacity 7200000PCS/Year

Product Description

*HSS M35 Twist Drill Bit, Fully Ground, Amber finish, DIN338RN ,Cylindrical Shank for drilling holes in various metal sheets, stainless steel, inox sheet, alloyed steel, unalloyed steel, non-ferrous metal, stainless steel sheet, fiberboard, wood board, etc.

* Strict and special hardening craftsmanship to realize the M35 HSS durability and sharpness maintaining for long time.

* Fully ground does the precise size controlling under DIN338 standard and run-out concentricity under DIN1414 for H7 and H8 correctness touching.

*Amber finish shows Cobalt element color as the symbol of series of Cobalt drills identified.

* Diameter 0.5mm to 2.9mm with 118degrees tip point, 3.0mm to 16mm with 135degrees split point make the best balance between the drilling speed and life. 



*Other special sizes are also available on the customers' special request.
*Diameter 13.5mm to 16mm with the reduced cylindrical shank 12.7mm diameter.

Item Number	Diameter(mm)	Flute Length(mm)	Overall Length(mm)
990.338005	0.5	6	22
990.338010	1	12	34
990.338015	1.5	18	40
990.338020	2	24	49
990.338025	2.5	30	57
990.338030	3	33	61
990.338031	3.1	36	65
990.338032	3.2	36	65
990.338033	3.3	36	65
990.338034	3.4	39	70
990.338035	3.5	39	70
990.338036	3.6	39	70
990.338037	3.7	39	70
990.338038	3.8	43	75
990.338039	3.9	43	75
990.338040	4	43	75
990.338041	4.1	43	75
990.338042	4.2	43	75
990.338043	4.3	47	80
990.338044	4.4	47	80
990.338045	4.5	47	80
990.338046	4.6	47	80
990.338047	4.7	47	80
990.338048	4.8	52	86
990.338049	4.9	52	86
990.338050	5	52	86
990.338051	5.1	52	86
990.338052	5.2	52	86
990.338053	5.3	52	86
990.338054	5.4	57	93
990.338055	5.5	57	93
990.338056	5.6	57	93
990.338057	5.7	57	93
990.338058	5.8	57	93
990.338059	5.9	57	93
990.338060	6	57	93
990.338061	6.1	63	101
990.338062	6.2	63	101
990.338063	6.3	63	101
990.338064	6.4	63	101
990.338065	6.5	63	101
990.338066	6.6	63	101
990.338067	6.7	63	101
990.338068	6.8	69	109
990.338069	6.9	69	109
990.338070	7	69	109
990.338071	7.1	69	109
990.338072	7.2	69	109
990.338073	7.3	69	109
990.338074	7.4	69	109
990.338075	7.5	69	109
990.338076	7.6	75	117
990.338077	7.7	75	117
990.338078	7.8	75	117
990.338079	7.9	75	117
990.338080	8	75	117
990.338081	8.1	75	117
990.338082	8.2	75	117
990.338083	8.3	75	117
990.338084	8.4	75	117
990.338085	8.5	75	117
990.338086	8.6	81	125
990.338087	8.7	81	125
990.338088	8.8	81	125
990.338089	8.9	81	125
990.338090	9	81	125
990.338091	9.1	81	125
990.338092	9.2	81	125
990.338093	9.3	81	125
990.338094	9.4	81	125
990.338095	9.5	81	125
990.338096	9.6	87	133
990.338097	9.7	87	133
990.338098	9.8	87	133
990.338099	9.9	87	133
990.338100	10	87	133
990.338102	10.2	87	133
990.338105	10.5	87	133
990.338110	11	94	142
990.338115	11.5	94	142
990.338120	12	101	151
990.338125	12.5	101	151
990.338130	13	101	151
990.338135	13.5	108	160
990.338140	14	108	160
990.338145	14.5	108	160
990.338150	15	108	160
990.338155	15.5	114	178
990.338160	16	114	178