KYTOOLS / KONG YUN

End Mill Profiles

Drill Design Features and related catalog ranges.

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ACTUAL PRODUCT PHOTOS

Real drills. Up close.

Explore actual KYTOOLS drills, from cutting-edge details to protective packaging. Photographs from our drill range.

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03Drills in individual protective packaging

06A drill standing in its protective holder

08Drill geometry shown on a measurement screen

09Close-up of a drill and its protective tube

10Drills alongside coating documentation

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Drill Design Features

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DRILL DESIGN & FINISHING钻头设计与精加工ドリル設計と仕上げ

Solid Carbide Drills整体硬质合金钻头超硬ソリッドドリル

Design Features设计特点設計の特長

Large Chip Space大容屑空间大きなチップポケット

Generous flute space for chip evacuation.宽大容屑空间，便于切屑排出。広いチップポケットで切りくず排出を促進。

Double Margin Design双刃带设计ダブルマージン設計

Double margins support hole accuracy and drilling stability.双刃带导向，提升孔精度与钻削稳定性。ダブルマージンで穴精度と加工安定性を向上。

X-Shaped Edge DesignX刃带设计X型刃形設計

X-shaped geometry at the drill point.钻尖采用X形刃带几何设计。ドリル先端にX型刃形を採用。

Mirror-Polished Flutes排屑槽镜面抛光溝の鏡面研磨

Smooth flute surfaces aid chip evacuation.镜面抛光排屑槽，便于顺畅排屑。滑らかな溝面で切りくず排出を促進。

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General Use Twist Drills

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Explore General Use Twist Drills

Choose a subfamily to view its features, dimensions and ordering details.

3D General Use Solid Carbide Twist Drills

3D Twist Drills

General use and aluminium drilling at 3×D, with external and internal coolant variants as listed in the catalog.

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5D General Use Solid Carbide Twist Drills

5D Twist Drills

General use and aluminium drilling at 5×D, with external and internal coolant variants as listed in the catalog.

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8D General Use Solid Carbide Twist Drills

8D Twist Drills

General use and aluminium drilling at 8×D, with external and internal coolant variants as listed in the catalog.

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12D General Use Solid Carbide Twist Drills

12D Twist Drills

General use and aluminium drilling at 12×D, with internal coolant as listed in the catalog.

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15D General Use Solid Carbide Twist Drills

15D Twist Drills

General use and aluminium drilling at 15×D, with internal coolant as listed in the catalog.

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20D General Use Solid Carbide Twist Drills

20D Twist Drills

General use and aluminium drilling at 20×D, with internal coolant as listed in the catalog.

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25D General Use Solid Carbide Twist Drills

25D Twist Drills

General use and aluminium drilling at 25×D, with internal coolant as listed in the catalog.

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30D General Use Solid Carbide Twist Drills

30D Twist Drills

General use and aluminium drilling at 30×D, with internal coolant as listed in the catalog.

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SOLID CARBIDE DRILLS整体硬质合金钻头超硬ソリッドドリル

SERIES系列シリーズGU3D

General Use, Solid Carbide Twist Drills,通用整体硬质合金麻花钻，汎用超硬ソリッドツイストドリル、

3×D, General / Aluminium, External/ Internal Coolant3D，通用 / 铝用，外冷 / 内冷。3D、汎用 / アルミ用、外部 / 内部給油。

Drills.3D,IC.jpeg — 3D · Internal3D · 内冷3D・内部給油

Drills.3D,EX.jpeg — 3D · External3D · 外冷3D・外部給油

Drills.3D,IC, Alu.jpeg — 3D · Internal · Aluminium3D · 内冷 · 铝用3D・内部給油・アルミ用

Drills.3D,EX, Alu.jpeg — 3D · External · Aluminium3D · 外冷 · 铝用3D・外部給油・アルミ用

FEATURES & APPLICATION特点与应用特長・用途

Double margins for hole accuracy and stability.双刃带设计，提升孔精度与稳定性。ダブルマージンで穴精度と安定性を向上。
Made on German WALTER machines; 100% ZOLLER inspection.德国WALTER机床制造，ZOLLER全数检测。ドイツWALTER機で製造、ZOLLERで全数検査。
Mirror-polished flutes and honed edges for chip evacuation and durability.镜面排屑槽与刃口钝化，改善排屑及耐用性。鏡面溝と刃先ホーニングで排出性と耐久性を向上。

General drilling · Ø3-20 mm通用钻削 · Ø3-20 mm汎用穴あけ・Ø3-20 mmUnit: mm单位：mm単位：mm

EDP · External订货号 · 外冷注文番号・外部給油	EDP · Through订货号 · 内冷注文番号・内部給油	Drill Diameter钻头直径ドリル径	Shank Diameter柄径シャンク径	Flute Length刃长溝長	Overall Length总长全長
EX	IC	D1 · h7	D2 · h6	L1	L2
GU3D-0300-EX	GU3D-0300-IC	3	4	20	62
GU3D-0400-EX	GU3D-0400-IC	4	4	24	66
GU3D-0500-EX	GU3D-0500-IC	5	6	28	66
GU3D-0600-EX	GU3D-0600-IC	6	6	28	66
GU3D-0700-EX	GU3D-0700-IC	7	8	34	79
GU3D-0800-EX	GU3D-0800-IC	8	8	41	79
GU3D-0900-EX	GU3D-0900-IC	9	10	47	89
GU3D-1000-EX	GU3D-1000-IC	10	10	47	89
GU3D-1100-EX	GU3D-1100-IC	11	12	55	102
GU3D-1200-EX	GU3D-1200-IC	12	12	55	102
GU3D-1300-EX	GU3D-1300-IC	13	14	60	107
GU3D-1400-EX	GU3D-1400-IC	14	14	60	107
GU3D-1500-EX	GU3D-1500-IC	15	16	65	115
GU3D-1600-EX	GU3D-1600-IC	16	16	65	115
GU3D-1700-EX	GU3D-1700-IC	17	18	73	123
GU3D-1800-EX	GU3D-1800-IC	18	18	73	123
GU3D-1900-EX	GU3D-1900-IC	19	20	79	131
GU3D-2000-EX	GU3D-2000-IC	20	20	79	131

Custom decimal diameters: MOQ 5 pcs; delivery in 10-15 working days.小数直径可定制：MOQ 5支，10-15个工作日交货。小数径は特注対応：最低注文数量5本、納期10-15営業日。

SOLID CARBIDE DRILLS整体硬质合金钻头超硬ソリッドドリル

SERIES系列シリーズGU5D

General Use, Solid Carbide Twist Drills,通用整体硬质合金麻花钻，汎用超硬ソリッドツイストドリル、

5×D, General / Aluminium, External/ Internal Coolant5D，通用 / 铝用，外冷 / 内冷。5D、汎用 / アルミ用、外部 / 内部給油。

Drills.5D,IC.jpeg — 5D · Internal5D · 内冷5D・内部給油

Drills.5D,EX.jpeg — 5D · External5D · 外冷5D・外部給油

Drills.5D,IC, Alu.jpeg — 5D · Internal · Aluminium5D · 内冷 · 铝用5D・内部給油・アルミ用

Drills.5D,EX, Alu.jpeg — 5D · External · Aluminium5D · 外冷 · 铝用5D・外部給油・アルミ用

FEATURES & APPLICATION特点与应用特長・用途

Double margins for hole accuracy and stability.双刃带设计，提升孔精度与稳定性。ダブルマージンで穴精度と安定性を向上。
Made on German WALTER machines; 100% ZOLLER inspection.德国WALTER机床制造，ZOLLER全数检测。ドイツWALTER機で製造、ZOLLERで全数検査。
Mirror-polished flutes and honed edges for chip evacuation and durability.镜面排屑槽与刃口钝化，改善排屑及耐用性。鏡面溝と刃先ホーニングで排出性と耐久性を向上。

General drilling · Ø3-20 mm通用钻削 · Ø3-20 mm汎用穴あけ・Ø3-20 mmUnit: mm单位：mm単位：mm

EDP · External订货号 · 外冷注文番号・外部給油	EDP · Through订货号 · 内冷注文番号・内部給油	Drill Diameter钻头直径ドリル径	Shank Diameter柄径シャンク径	Flute Length刃长溝長	Overall Length总长全長
EX	IC	D1 · h7	D2 · h6	L1	L2
GU5D-0300-EX	GU5D-0300-IC	3	4	28	66
GU5D-0400-EX	GU5D-0400-IC	4	4	36	74
GU5D-0500-EX	GU5D-0500-IC	5	6	44	82
GU5D-0600-EX	GU5D-0600-IC	6	6	44	82
GU5D-0700-EX	GU5D-0700-IC	7	8	53	91
GU5D-0800-EX	GU5D-0800-IC	8	8	53	91
GU5D-0900-EX	GU5D-0900-IC	9	10	61	103
GU5D-1000-EX	GU5D-1000-IC	10	10	61	103
GU5D-1100-EX	GU5D-1100-IC	11	12	71	118
GU5D-1200-EX	GU5D-1200-IC	12	12	71	118
GU5D-1300-EX	GU5D-1300-IC	13	14	77	124
GU5D-1400-EX	GU5D-1400-IC	14	14	77	124
GU5D-1500-EX	GU5D-1500-IC	15	16	83	133
GU5D-1600-EX	GU5D-1600-IC	16	16	83	133
GU5D-1700-EX	GU5D-1700-IC	17	18	93	143
GU5D-1800-EX	GU5D-1800-IC	18	18	93	143
GU5D-1900-EX	GU5D-1900-IC	19	20	101	153
GU5D-2000-EX	GU5D-2000-IC	20	20	101	153

SOLID CARBIDE DRILLS整体硬质合金钻头超硬ソリッドドリル

SERIES系列シリーズGU8D

General Use, Solid Carbide Twist Drills,通用整体硬质合金麻花钻，汎用超硬ソリッドツイストドリル、

8×D, General / Aluminium, External/ Internal Coolant8D，通用 / 铝用，外冷 / 内冷。8D、汎用 / アルミ用、外部 / 内部給油。

Drills.8D,IC.jpeg — 8D · Internal8D · 内冷8D・内部給油

Drills.8D,IC, Alu.jpeg — 8D · Internal · Aluminium8D · 内冷 · 铝用8D・内部給油・アルミ用

FEATURES & APPLICATION特点与应用特長・用途

Double margins for hole accuracy and stability.双刃带设计，提升孔精度与稳定性。ダブルマージンで穴精度と安定性を向上。
Made on German WALTER machines; 100% ZOLLER inspection.德国WALTER机床制造，ZOLLER全数检测。ドイツWALTER機で製造、ZOLLERで全数検査。
Mirror-polished flutes and honed edges for chip evacuation and durability.镜面排屑槽与刃口钝化，改善排屑及耐用性。鏡面溝と刃先ホーニングで排出性と耐久性を向上。

General drilling · Ø3-20 mm通用钻削 · Ø3-20 mm汎用穴あけ・Ø3-20 mmUnit: mm单位：mm単位：mm

EDP · External订货号 · 外冷注文番号・外部給油	EDP · Through订货号 · 内冷注文番号・内部給油	Drill Diameter钻头直径ドリル径	Shank Diameter柄径シャンク径	Flute Length刃长溝長	Overall Length总长全長
EX	IC	D1 · h7	D2 · h6	L1	L2
GU8D-0300-EX	GU8D-0300-IC	3	4	36	75
GU8D-0400-EX	GU8D-0400-IC	4	4	42	83
GU8D-0500-EX	GU8D-0500-IC	5	6	50	90
GU8D-0600-EX	GU8D-0600-IC	6	6	57	97
GU8D-0700-EX	GU8D-0700-IC	7	8	76	116
GU8D-0800-EX	GU8D-0800-IC	8	8	76	116
GU8D-0900-EX	GU8D-0900-IC	9	10	87	131
GU8D-1000-EX	GU8D-1000-IC	10	10	95	139
GU8D-1100-EX	GU8D-1100-IC	11	12	106	163
GU8D-1200-EX	GU8D-1200-IC	12	12	114	163
GU8D-1300-EX	GU8D-1300-IC	13	14	133	182
GU8D-1400-EX	GU8D-1400-IC	14	14	133	182
GU8D-1500-EX	GU8D-1500-IC	15	16	152	204
GU8D-1600-EX	GU8D-1600-IC	16	16	152	204
GU8D-1700-EX	GU8D-1700-IC	17	18	171	223
GU8D-1800-EX	GU8D-1800-IC	18	18	171	223
GU8D-1900-EX	GU8D-1900-IC	19	20	190	244
GU8D-2000-EX	GU8D-2000-IC	20	20	190	244

SOLID CARBIDE DRILLS整体硬质合金钻头超硬ソリッドドリル

SERIES系列シリーズGU12D

General Use, Solid Carbide Twist Drills,通用整体硬质合金麻花钻，汎用超硬ソリッドツイストドリル、

12×D, General / Aluminium, Internal Coolant12D，通用 / 铝用，内冷。12D、汎用 / アルミ用、内部給油。

Drills.12D,IC.jpeg — 12D · Internal12D · 内冷12D・内部給油

Drills.12D,IC, Alu.jpeg — 12D · Internal · Aluminium12D · 内冷 · 铝用12D・内部給油・アルミ用

FEATURES & APPLICATION特点与应用特長・用途

Double margins for hole accuracy and stability.双刃带设计，提升孔精度与稳定性。ダブルマージンで穴精度と安定性を向上。
Made on German WALTER machines; 100% ZOLLER inspection.德国WALTER机床制造，ZOLLER全数检测。ドイツWALTER機で製造、ZOLLERで全数検査。
Mirror-polished flutes and honed edges for chip evacuation and durability.镜面排屑槽与刃口钝化，改善排屑及耐用性。鏡面溝と刃先ホーニングで排出性と耐久性を向上。

General drilling · Ø3-20 mm通用钻削 · Ø3-20 mm汎用穴あけ・Ø3-20 mmUnit: mm单位：mm単位：mm

EDP · Through订货号 · 内冷注文番号・内部給油	Drill Diameter钻头直径ドリル径	Shank Diameter柄径シャンク径	Flute Length刃长溝長	Overall Length总长全長
IC	D1 · h7	D2 · h6	L1	L2
GU12D-0300-IC	3	4	55	95
GU12D-0400-IC	4	4	64	102
GU12D-0500-IC	5	6	80	118
GU12D-0600-IC	6	6	80	118
GU12D-0700-IC	7	8	108	146
GU12D-0800-IC	8	8	108	146
GU12D-0900-IC	9	10	120	162
GU12D-1000-IC	10	10	120	162
GU12D-1100-IC	11	12	156	204
GU12D-1200-IC	12	12	156	204
GU12D-1300-IC	13	14	182	230
GU12D-1400-IC	14	14	182	230
GU12D-1500-IC	15	16	208	260
GU12D-1600-IC	16	16	208	260
GU12D-1700-IC	17	18	234	285
GU12D-1800-IC	18	18	234	285
GU12D-1900-IC	19	20	258	310
GU12D-2000-IC	20	20	258	310

SOLID CARBIDE DRILLS整体硬质合金钻头超硬ソリッドドリル

SERIES系列シリーズGU15D

General Use, Solid Carbide Twist Drills,通用整体硬质合金麻花钻，汎用超硬ソリッドツイストドリル、

15×D, General / Aluminium, Internal Coolant15D，通用 / 铝用，内冷。15D、汎用 / アルミ用、内部給油。

Drills.15D,IC.jpeg — 15D · Internal15D · 内冷15D・内部給油

Drills.15D,IC,Alu.jpeg — 15D · Internal · Aluminium15D · 内冷 · 铝用15D・内部給油・アルミ用

FEATURES & APPLICATION特点与应用特長・用途

Double margins for hole accuracy and stability.双刃带设计，提升孔精度与稳定性。ダブルマージンで穴精度と安定性を向上。
Made on German WALTER machines; 100% ZOLLER inspection.德国WALTER机床制造，ZOLLER全数检测。ドイツWALTER機で製造、ZOLLERで全数検査。
Mirror-polished flutes and honed edges for chip evacuation and durability.镜面排屑槽与刃口钝化，改善排屑及耐用性。鏡面溝と刃先ホーニングで排出性と耐久性を向上。

General drilling · Ø3-15 mm通用钻削 · Ø3-15 mm汎用穴あけ・Ø3-15 mmUnit: mm单位：mm単位：mm

EDP · Through订货号 · 内冷注文番号・内部給油	Drill Diameter钻头直径ドリル径	Shank Diameter柄径シャンク径	Flute Length刃长溝長	Overall Length总长全長
IC	D1 · h7	D2 · h6	L1	L2
GU15D-0300-IC	3	4	55	95
GU15D-0400-IC	4	4	71	109
GU15D-0500-IC	5	6	105	148
GU15D-0600-IC	6	6	110	148
GU15D-0700-IC	7	8	120	162
GU15D-0800-IC	8	8	130	180
GU15D-0900-IC	9	10	160	204
GU15D-1000-IC	10	10	175	221
GU15D-1100-IC	11	12	192	247
GU15D-1200-IC	12	12	213	263
GU15D-1300-IC	13	14	248	297
GU15D-1400-IC	14	14	248	297
GU15D-1500-IC	15	16	258	313

SOLID CARBIDE DRILLS整体硬质合金钻头超硬ソリッドドリル

SERIES系列シリーズGU20D

General Use, Solid Carbide Twist Drills,通用整体硬质合金麻花钻，汎用超硬ソリッドツイストドリル、

20×D, General / Aluminium, Internal Coolant20D，通用 / 铝用，内冷。20D、汎用 / アルミ用、内部給油。

Drills.20D,IC.jpeg — 20D · Internal20D · 内冷20D・内部給油

Drills.20D,IC, Alu.jpeg — 20D · Internal · Aluminium20D · 内冷 · 铝用20D・内部給油・アルミ用

FEATURES & APPLICATION特点与应用特長・用途

Double margins for hole accuracy and stability.双刃带设计，提升孔精度与稳定性。ダブルマージンで穴精度と安定性を向上。
Made on German WALTER machines; 100% ZOLLER inspection.德国WALTER机床制造，ZOLLER全数检测。ドイツWALTER機で製造、ZOLLERで全数検査。
Mirror-polished flutes and honed edges for chip evacuation and durability.镜面排屑槽与刃口钝化，改善排屑及耐用性。鏡面溝と刃先ホーニングで排出性と耐久性を向上。

General drilling · Ø3-10 mm通用钻削 · Ø3-10 mm汎用穴あけ・Ø3-10 mmUnit: mm单位：mm単位：mm

EDP · Through订货号 · 内冷注文番号・内部給油	Drill Diameter钻头直径ドリル径	Shank Diameter柄径シャンク径	Flute Length刃长溝長	Overall Length总长全長
IC	D1 · h7	D2 · h6	L1	L2
GU20D-0300-IC	3	4	70	110
GU20D-0350-IC	3.5	4	91	129
GU20D-0400-IC	4	4	91	129
GU20D-0450-IC	4.5	6	118	158
GU20D-0500-IC	5	6	118	158
GU20D-0550-IC	5.5	6	134	172
GU20D-0600-IC	6	6	134	172
GU20D-0650-IC	6.5	7	162	200
GU20D-0700-IC	7	8	162	200
GU20D-0750-IC	7.5	8	184	222
GU20D-0800-IC	8	8	184	222
GU20D-0850-IC	8.5	10	205	249
GU20D-0900-IC	9	10	205	249
GU20D-0950-IC	9.5	10	227	271
GU20D-1000-IC	10	10	227	271

SOLID CARBIDE DRILLS整体硬质合金钻头超硬ソリッドドリル

SERIES系列シリーズGU25D

General Use, Solid Carbide Twist Drills,通用整体硬质合金麻花钻，汎用超硬ソリッドツイストドリル、

25×D, General / Aluminium, Internal Coolant25D，通用 / 铝用，内冷。25D、汎用 / アルミ用、内部給油。

Drills.25D,IC.jpeg — 25D · Internal25D · 内冷25D・内部給油

Drills.25D,IC, Alu.jpeg — 25D · Internal · Aluminium25D · 内冷 · 铝用25D・内部給油・アルミ用

FEATURES & APPLICATION特点与应用特長・用途

Double margins for hole accuracy and stability.双刃带设计，提升孔精度与稳定性。ダブルマージンで穴精度と安定性を向上。
Made on German WALTER machines; 100% ZOLLER inspection.德国WALTER机床制造，ZOLLER全数检测。ドイツWALTER機で製造、ZOLLERで全数検査。
Mirror-polished flutes and honed edges for chip evacuation and durability.镜面排屑槽与刃口钝化，改善排屑及耐用性。鏡面溝と刃先ホーニングで排出性と耐久性を向上。

General drilling · Ø3-10 mm通用钻削 · Ø3-10 mm汎用穴あけ・Ø3-10 mmUnit: mm单位：mm単位：mm

EDP · Through订货号 · 内冷注文番号・内部給油	Drill Diameter钻头直径ドリル径	Shank Diameter柄径シャンク径	Flute Length刃长溝長	Overall Length总长全長
IC	D1 · h7	D2 · h6	L1	L2
GU25D-0300-IC	3	4	85	125
GU25D-0350-IC	3.5	4	116	156
GU25D-0400-IC	4	4	116	156
GU25D-0450-IC	4.5	6	145	183
GU25D-0500-IC	5	6	145	183
GU25D-0550-IC	5.5	6	170	210
GU25D-0600-IC	6	6	170	210
GU25D-0650-IC	6.5	7	197	237
GU25D-0700-IC	7	8	197	237
GU25D-0750-IC	7.5	8	220	260
GU25D-0800-IC	8	8	220	260
GU25D-0850-IC	8.5	10	250	294
GU25D-0900-IC	9	10	250	294
GU25D-0950-IC	9.5	10	277	321
GU25D-1000-IC	10	10	277	321

SOLID CARBIDE DRILLS整体硬质合金钻头超硬ソリッドドリル

SERIES系列シリーズGU30D

General Use, Solid Carbide Twist Drills,通用整体硬质合金麻花钻，汎用超硬ソリッドツイストドリル、

30×D, General / Aluminium, Internal Coolant30D，通用 / 铝用，内冷。30D、汎用 / アルミ用、内部給油。

Drills.30D,IC.jpeg — 30D · Internal30D · 内冷30D・内部給油

Drills.30D,IC, Alu..jpeg — 30D · Internal · Aluminium30D · 内冷 · 铝用30D・内部給油・アルミ用

FEATURES & APPLICATION特点与应用特長・用途

Double margins for hole accuracy and stability.双刃带设计，提升孔精度与稳定性。ダブルマージンで穴精度と安定性を向上。
Made on German WALTER machines; 100% ZOLLER inspection.德国WALTER机床制造，ZOLLER全数检测。ドイツWALTER機で製造、ZOLLERで全数検査。
Mirror-polished flutes and honed edges for chip evacuation and durability.镜面排屑槽与刃口钝化，改善排屑及耐用性。鏡面溝と刃先ホーニングで排出性と耐久性を向上。

General drilling · Ø3-8 mm通用钻削 · Ø3-8 mm汎用穴あけ・Ø3-8 mmUnit: mm单位：mm単位：mm

EDP · Through订货号 · 内冷注文番号・内部給油	Drill Diameter钻头直径ドリル径	Shank Diameter柄径シャンク径	Flute Length刃长溝長	Overall Length总长全長
IC	D1 · h7	D2 · h6	L1	L2
GU30D-0300-IC	3	4	100	140
GU30D-0350-IC	3.5	4	136	176
GU30D-0400-IC	4	4	136	176
GU30D-0450-IC	4.5	6	168	208
GU30D-0500-IC	5	6	168	208
GU30D-0550-IC	5.5	6	180	232
GU30D-0600-IC	6	6	180	232
GU30D-0650-IC	6.5	7	232	272
GU30D-0700-IC	7	8	232	272
GU30D-0750-IC	7.5	8	263	303
GU30D-0800-IC	8	8	263	303

MADE TO YOUR DRAWINGS

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