(G9B81) K-2 Carbide, 2Flute Ball Nose Rib Processing End Mill

$76.34INC GST $69.40 EX GST
Unit price per

(G9B81) K-2 Carbide, 2Flute Ball Nose Rib Processing End Mill

$76.34INC GST $69.40 EX GST Price available on request

Unit price per

Code: G9B81004

Work Material

P M K

Mill Diameter (mm)

Ball Nose Radius (mm)

Quantity

Loading stock…

Buy Local

Minimum order: $200.00

$200.00 to go

Spend $200.00 or more to enable checkout.

Made in South Korea

!If you're not 100% happy with your purchase, we'll replace or refund.

Buy Online

Buy now from our online retailers:

Select your preferred distributor:

SKU	Mill Diameter (mm)	Ball Nose Radius (mm)	Overall length (mm)	Shank dia. (mm)	Length of cut (mm)	Length below shank (mm)	Neck dia. (mm)	Stock	Price
G9B81004	0.4	R0.2	50.0	4.0	0.7	2.0	0.37	5 days	$69.40
G9B81005	0.5	R0.25	50.0	4.0	0.75	2.0	0.45	In stock	$60.10
G9B81006	0.6	R0.3	50.0	4.0	0.9	2.0	0.55	5 days	$60.10
G9B81008	0.8	R0.4	50.0	4.0	1.2	4.0	0.75	5 days	$46.60
G9B81010	1	R0.5	50.0	4.0	1.5	6.0	0.95	In stock	$42.80
G9B81012	1.2	R0.6	50.0	4.0	1.8	8.0	1.15	5 days	$42.80
G9B81014	1.4	R0.7	50.0	4.0	2.1	16.0	1.35	5 days	$48.30
G9B81015	1.5	R0.75	50.0	4.0	2.3	6.0	1.45	In stock	$42.80
G9B81016	1.6	R0.8	50.0	4.0	2.4	8.0	1.55	5 days	$42.80
G9B81020	2	R1.0	50.0	4.0	3.0	8.0	1.95	In stock	$40.10
G9B81030	3	R1.5	50.0	6.0	4.5	10.0	2.85	Low stock	$48.30
G9B81040	4	R2.0	50.0	6.0	6.0	12.0	3.85	5 days	$46.70

Add (G9B81) K-2 Carbide, 2Flute Ball Nose Rib Processing End Mill to comparison

View Comparison

Product Description

The G9B81 series K2 coated carbide milling cutters feature a ball nose for copy milling, full radius grooving & corner radius milling and a long neck for deep pocket milling. K2 carbide range from global market leaders YG-1 are the number 1 best selling tool for general purpose milling. Ideal for general milling steel <45HRc, stainless steel, cast iron, copper & aluminium.

Ball nose for copy milling, full radius grooving & corner radius milling
Long neck for deep pocket milling
Special K2 coating for longer tool life, high heat and wear resistance
Dry cutting on steel can increase tool life up to 40%
Also suitable for general milling of steel, stainless steel, cast iron & non-ferrous
Consistent and reliable performance in general machining conditions
Made from high-quality micrograin carbide.
Manufactured by global market leader YG-1

Product Data

Workpiece Material	P M K
Ball Radius Tolerance	0.02
Cutting Shape	Ball Nose
Hardened Steels(HRc40~45)	Great
Helix Angle	Ball Nose 30
No. Flutes	2
Operation	Profiling, Side Milling, Small Part
Shank Type	Plain YG-1 Standard
Surface Treatment	Titanium Aluminium Nitride Coating
Tool Material	Carbide

Flutes	2
Helix Angle	30°
Cutting Edge Shape	BALL NOSE
Size Min	R0.2
Size Max	R2.0
Length	RIB PROCESSING
Coating	TiAIN

EDP No. Mill Diameter ShankDia Length of Cut Overall Length Mill Dia. Tolerance Shank Dia. Tolerance No. of Flute G9B81004 0.4 4 0.7 50 0~-0.030 h5 2 G9B81004 0.4 4 0.7 50 0~-0.030 h5 2 G9B81005 0.5 4 0.75 50 0~-0.030 h5 2 G9B81005 0.5 4 0.75 50 0~-0.030 h5 2 G9B81006 0.6 4 0.9 50 0~-0.030 h5 2 G9B81006 0.6 4 0.9 50 0~-0.030 h5 2 G9B81008 0.8 4 1.2 50 0~-0.030 h5 2 G9B81008 0.8 4 1.2 50 0~-0.030 h5 2 G9B81010 1 4 1.5 50 0~-0.030 h5 2 G9B81010 1 4 1.5 50 0~-0.030 h5 2 G9B81014 1.4 4 2.1 50 0~-0.030 h5 2 G9B81014 1.4 4 2.1 50 0~-0.030 h5 2 G9B81015 1.5 4 2.3 50 0~-0.030 h5 2 G9B81015 1.5 4 2.3 50 0~-0.030 h5 2 G9B81016 1.6 4 2.4 50 0~-0.030 h5 2 G9B81016 1.6 4 2.4 50 0~-0.030 h5 2 G9B81020 2 4 3 50 0~-0.030 h5 2 G9B81020 2 4 3 50 0~-0.030 h5 2 G9B81030 3 6 4.5 50 0~-0.030 h5 2 G9B81030 3 6 4.5 50 0~-0.030 h5 2 G9B81040 4 6 6 50 0~-0.030 h5 2 G9B81040 4 6 6 50 0~-0.030 h5 2 G9B81901 0.5 4 0.75 50 0~-0.030 h5 2 G9B81901 0.5 4 0.75 50 0~-0.030 h5 2 G9B81903 0.6 4 0.9 50 0~-0.030 h5 2 G9B81903 0.6 4 0.9 50 0~-0.030 h5 2 G9B81904 0.6 4 0.9 50 0~-0.030 h5 2 G9B81904 0.6 4 0.9 50 0~-0.030 h5 2 G9B81905 0.8 4 1.2 50 0~-0.030 h5 2 G9B81905 0.8 4 1.2 50 0~-0.030 h5 2 G9B81907 1 4 1.5 50 0~-0.030 h5 2 G9B81907 1 4 1.5 50 0~-0.030 h5 2 G9B81909 1 4 1.5 50 0~-0.030 h5 2 G9B81909 1 4 1.5 50 0~-0.030 h5 2 G9B81910 1.2 4 1.8 50 0~-0.030 h5 2 G9B81910 1.2 4 1.8 50 0~-0.030 h5 2 G9B81911 1.5 4 2.3 50 0~-0.030 h5 2 G9B81911 1.5 4 2.3 50 0~-0.030 h5 2 G9B81912 1.5 4 2.3 50 0~-0.030 h5 2 G9B81912 1.5 4 2.3 50 0~-0.030 h5 2 G9B81914 1.5 4 2.3 50 0~-0.030 h5 2 G9B81914 1.5 4 2.3 50 0~-0.030 h5 2 G9B81915 1.5 4 2.3 50 0~-0.030 h5 2 G9B81915 1.5 4 2.3 50 0~-0.030 h5 2 G9B81916 1.6 4 2.4 50 0~-0.030 h5 2 G9B81916 1.6 4 2.4 50 0~-0.030 h5 2 G9B81917 1.6 4 2.4 50 0~-0.030 h5 2 G9B81917 1.6 4 2.4 50 0~-0.030 h5 2 G9B81918 1.6 4 2.4 50 0~-0.030 h5 2 G9B81918 1.6 4 2.4 50 0~-0.030 h5 2 G9B81919 2 4 3 50 0~-0.030 h5 2 G9B81919 2 4 3 50 0~-0.030 h5 2 G9B81920 2 4 3 50 0~-0.030 h5 2 G9B81920 2 4 3 50 0~-0.030 h5 2 G9B81921 2 4 3 50 0~-0.030 h5 2 G9B81921 2 4 3 50 0~-0.030 h5 2 G9B81922 2 4 3 50 0~-0.030 h5 2 G9B81922 2 4 3 50 0~-0.030 h5 2 G9B81923 2 4 3 50 0~-0.030 h5 2 G9B81923 2 4 3 50 0~-0.030 h5 2 G9B81924 3 6 4.5 50 0~-0.030 h5 2 G9B81924 3 6 4.5 50 0~-0.030 h5 2 G9B81925 3 6 4.5 60 0~-0.030 h5 2 G9B81925 3 6 4.5 60 0~-0.030 h5 2 G9B81926 3 6 4.5 60 0~-0.030 h5 2 G9B81926 3 6 4.5 60 0~-0.030 h5 2 G9B81927 3 6 4.5 75 0~-0.030 h5 2 G9B81927 3 6 4.5 75 0~-0.030 h5 2 G9B81928 4 6 6 60 0~-0.030 h5 2 G9B81928 4 6 6 60 0~-0.030 h5 2 G9B81929 4 6 6 75 0~-0.030 h5 2 G9B81929 4 6 6 75 0~-0.030 h5 2 G9B81930 4 6 6 75 0~-0.030 h5 2 G9B81930 4 6 6 75 0~-0.030 h5 2 G9B81931 4 6 6 75 0~-0.030 h5 2 G9B81931 4 6 6 75 0~-0.030 h5 2

Profiling

Side Milling

Small Part

P Carbon Steels

Excellent

Good Great Excellent

P Alloy Steels

Excellent

Good Great Excellent

P Prehardened Steels

Excellent

Good Great Excellent

M Stainless Steels

Great

Good Great Excellent

K Cast Iron

Great

Good Great Excellent

H Hardened Steels (HRc40~45)

Great

Good Great Excellent

Non-alloy steel

Excellent

HRc

13252832

125190250270300

Low alloy steel

Excellent

HRc

10293238

180275300350

High alloy & tool steel

Excellent

HRc

1535

200325

Stainless steel

Good

HRc

152310

200240180

Grey cast iron

Good

HRc

1026

180260

Nodular cast iron

Good

HRc

325

160250

Malleable cast iron

Good

HRc

130230

Aluminium. wrought

Good

HRc

60100

Aluminium. cast

Good

HRc

7590130

Copper. bronze. brass

Good

HRc

11090100

Speeds & Feeds

Mill Diameter (Ø)	Vc	fz	RPM	FEED	Ap
0.4	33~43	0.003~0.006	26350~34000	150~415	0.018~0.036
0.5	41~53	0.003~0.006	26350~34000	150~415	0.023~0.045
0.6	50~64	0.004~0.008	26350~34000	190~535	0.027~0.054
0.8	66~85	0.004~0.008	26350~34000	190~535	0.036~0.072
1.0	77~97	0.004~0.010	24650~31000	210~595	0.045~0.090
1.2	77~98	0.005~0.013	20500~26000	210~665	0.055~0.100
1.4	79~97	0.006~0.015	18000~22000	210~665	0.062~0.125
1.5	75~97	0.007~0.016	16000~20500	210~665	0.070~0.135
1.6	78~101	0.007~0.017	15500~20000	210~665	0.075~0.145
1.8	82~103	0.007~0.018	14500~18200	210~665	0.080~0.160
2.0	82~101	0.008~0.021	13000~16000	210~665	0.090~0.180
3.0	85~104	0.012~0.030	9000~11000	210~665	0.135~0.270
4.0	90~117	0.015~0.036	7200~9350	210~665	0.180~0.360

Mill Diameter (Ø)	Vc	fz	RPM	FEED	Ap
0.4	24~30	0.002~0.005	19100~24200	75~230	0.018~0.036
0.5	30~38	0.002~0.005	19100~24200	75~230	0.023~0.045
0.6	36~46	0.002~0.006	19100~24200	95~300	0.027~0.054
0.8	48~61	0.002~0.006	19100~24200	95~300	0.036~0.072
1.0	55~69	0.003~0.007	17400~22100	105~330	0.045~0.090
1.2	55~69	0.004~0.009	14500~18300	105~330	0.055~0.100
1.4	56~67	0.004~0.011	12800~15300	105~330	0.062~0.125
1.5	54~70	0.005~0.011	11500~14900	105~330	0.070~0.135
1.6	56~70	0.005~0.012	11200~14000	105~330	0.075~0.145
1.8	58~72	0.005~0.013	10200~12800	105~330	0.080~0.160
2.0	59~72	0.006~0.014	9400~11500	105~330	0.090~0.180
3.0	57~108	0.009~0.014	6000~11500	105~330	0.135~0.270
4.0	63~83	0.011~0.025	5000~6600	105~330	0.180~0.360

Mill Diameter (Ø)	Vc	fz	RPM	FEED	Ap
0.4	33~43	0.003~0.006	26350~34000	150~415	0.018~0.036
0.5	41~53	0.003~0.006	26350~34000	150~415	0.023~0.045
0.6	50~64	0.004~0.008	26350~34000	190~535	0.027~0.054
0.8	66~85	0.004~0.008	26350~34000	190~535	0.036~0.072
1.0	77~97	0.004~0.010	24650~31000	210~595	0.045~0.090
1.2	77~98	0.005~0.013	20500~26000	210~665	0.055~0.100
1.4	79~97	0.006~0.015	18000~22000	210~665	0.062~0.125
1.5	75~97	0.007~0.016	16000~20500	210~665	0.070~0.135
1.6	78~101	0.007~0.017	15500~20000	210~665	0.075~0.145
1.8	82~103	0.007~0.018	14500~18200	210~665	0.080~0.160
2.0	82~101	0.008~0.021	13000~16000	210~665	0.090~0.180
3.0	85~104	0.012~0.030	9000~11000	210~665	0.135~0.270
4.0	90~117	0.015~0.036	7200~9350	210~665	0.180~0.360

Mill Diameter (Ø)	Vc	fz	RPM	FEED	Ap
0.4	24~30	0.002~0.005	19100~24200	75~230	0.018~0.036
0.5	30~38	0.002~0.005	19100~24200	75~230	0.023~0.045
0.6	36~46	0.002~0.006	19100~24200	95~300	0.027~0.054
0.8	48~61	0.002~0.006	19100~24200	95~300	0.036~0.072
1.0	55~69	0.003~0.007	17400~22100	105~330	0.045~0.090
1.2	55~69	0.004~0.009	14500~18300	105~330	0.055~0.100
1.4	56~67	0.004~0.011	12800~15300	105~330	0.062~0.125
1.5	54~70	0.005~0.011	11500~14900	105~330	0.070~0.135
1.6	56~70	0.005~0.012	11200~14000	105~330	0.075~0.145
1.8	58~72	0.005~0.013	10200~12800	105~330	0.080~0.160
2.0	59~72	0.006~0.014	9400~11500	105~330	0.090~0.180
3.0	57~108	0.009~0.014	6000~11500	105~330	0.135~0.270
4.0	63~83	0.011~0.025	5000~6600	105~330	0.180~0.360

Mill Diameter (Ø)	Vc	fz	RPM	FEED	Ap
0.4	33~43	0.003~0.006	26350~34000	150~415	0.018~0.036
0.5	41~53	0.003~0.006	26350~34000	150~415	0.023~0.045
0.6	50~64	0.004~0.008	26350~34000	190~535	0.027~0.054
0.8	66~85	0.004~0.008	26350~34000	190~535	0.036~0.072
1.0	77~97	0.004~0.010	24650~31000	210~595	0.045~0.090
1.2	77~98	0.005~0.013	20500~26000	210~665	0.055~0.100
1.4	79~97	0.006~0.015	18000~22000	210~665	0.062~0.125
1.5	75~97	0.007~0.016	16000~20500	210~665	0.070~0.135
1.6	78~101	0.007~0.017	15500~20000	210~665	0.075~0.145
1.8	82~103	0.007~0.018	14500~18200	210~665	0.080~0.160
2.0	82~101	0.008~0.021	13000~16000	210~665	0.090~0.180
3.0	85~104	0.012~0.030	9000~11000	210~665	0.135~0.270
4.0	90~117	0.015~0.036	7200~9350	210~665	0.180~0.360

Mill Diameter (Ø)	Vc	fz	RPM	FEED	Ap
0.4	24~30	0.002~0.005	19100~24200	75~230	0.018~0.036
0.5	30~38	0.002~0.005	19100~24200	75~230	0.023~0.045
0.6	36~46	0.002~0.006	19100~24200	95~300	0.027~0.054
0.8	48~61	0.002~0.006	19100~24200	95~300	0.036~0.072
1.0	55~69	0.003~0.007	17400~22100	105~330	0.045~0.090
1.2	55~69	0.004~0.009	14500~18300	105~330	0.055~0.100
1.4	56~67	0.004~0.011	12800~15300	105~330	0.062~0.125
1.5	54~70	0.005~0.011	11500~14900	105~330	0.070~0.135
1.6	56~70	0.005~0.012	11200~14000	105~330	0.075~0.145
1.8	58~72	0.005~0.013	10200~12800	105~330	0.080~0.160
2.0	59~72	0.006~0.014	9400~11500	105~330	0.090~0.180
3.0	57~108	0.009~0.014	6000~11500	105~330	0.135~0.270
4.0	63~83	0.011~0.025	5000~6600	105~330	0.180~0.360

Material:

Diameter (mm):

RPM:	–	rev/min
FEED:	–	mm/min
Vc:	–	m/min
Fz:	–	mm/tooth

Excision is now the exclusive distributor of YG-1 in Australia & New Zealand

View the range

Resources

Understanding the Basics of Endmills

Endmills are indispensable tools in machining, renowned for their versatility and precision. Whether you’re a seasoned operator or new to machining, understanding...

January 21, 2025

Connor Urquhart

Article

Service & Delivery

How do I purchase my items?

Excision products are available through 300+ local distributors around Australia. Some products may also have buy online options available for online purchase through our distributors.

Find your local distributor

What delivery services do we offer?

We freight out of Melbourne every day for 1-3 days delivery to your local distributor. We also offer upon request (for an extra charge):

Send direct
Air frieght for small urgent items

How do I return an item?

We offer lifetime returns. If you’re unhappy with your purchase, you can return unused items to us for free – no questions asked.

Have a question about this product?

Contact Sales

+61 (03) 5551 4555

Mon - Fri 7am - 5pm

(G9B81) K-2 Carbide, 2Flute Ball Nose Rib Processing End Mill

(G9B81) K-2 Carbide, 2Flute Ball Nose Rib Processing End Mill

Excellent

Excellent

Excellent

Great

Great

Great

Speeds & Feeds

Excision is now the exclusive distributor of YG-1 in Australia & New Zealand

You Might Also Like

Resources

Understanding the Basics of Endmills

Service & Delivery

How do I purchase my items?

What delivery services do we offer?

How do I return an item?

Have a question about this product?