Kyocera 11/16 DRILL 2FL 3XD TA SGS51370 DRILL - CNC Machining

Name: Kyocera 11/16 DRILL 2FL 3XD TA SGS51370 DRILL - CNC Machining
Brand: Kyocera
Price: 271.22 USD
Availability: InStock

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Kyocera 11/16 DRILL 2FL 3XD TA SGS51370 DRILL - CNC Machining

$271.22 USD

$452.03 USD

1 or more $271.22 USD

Stock: In Stock
Model: DRILL
Weight: 0.10kg
Manufactured: In Japan
Ships: Worldwide
Item Code: SGS51370

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Product Overview

The Kyocera 11/16 DRILL 2FL 3XD TA SGS51370 is a premium solid carbide drill engineered for demanding CNC machining environments. This 11/16 diameter tool features a 2-flute design with 3×D flute length, optimized for through-hole drilling and blind-hole applications. Manufactured in Japan to exacting tolerances, it delivers exceptional hole quality, dimensional accuracy, and extended tool life across a wide spectrum of workpiece materials.

ISO Designation Breakdown

ISO Code Element	Description
Size	11/16 (0.6875")
Tool Type	DRILL – Solid Carbide Twist Drill
Flutes	2FL – 2-Flute Design for Chip Evacuation
Length Ratio	3XD – 3×D Flute Length (Standard Reach)
Grade	TA – General purpose drilling in steels, stainless steels, and cast iron
MPN	SGS51370 – Manufacturer Part Number

Engineering Dimensions & Geometry

Parameter	Specification
Nominal Diameter (D)	11/16 = 0.6875 in (17.462 mm)
Flute Length (L_f)	2.0625 in (52.39 mm) – 3×D
Overall Length (L_o)	4.8125 in (122.24 mm)
Shank Diameter	0.6875 in (17.46 mm) – Cylindrical
Point Angle	142° Self-Centering Split Point
Helix Angle	32° Right-Hand Helix
Tolerance (D_c)	h5 (±0.0004 in / ±0.010 mm)
Surface Finish	Mirror-polished flutes (Ra ≤ 0.2 μm)
Corner Radius	Sharp (0.000 in) – Standard

Grade Details – Key Grade Characteristics

Grade TA represents Kyocera's advanced carbide substrate technology, specifically formulated for general purpose drilling in steels, stainless steels, and cast iron.

Characteristic	Grade TA Specification
Carbide Substrate	Ultra-fine grain carbide with high cobalt content
PVD Coating	AlTiN multi-layer PVD coating
Hardness	92.5 HRA
Coating Color	Copper-bronze
Max Operating Temp	Up to 900°C
Fracture Toughness	High
Wear Resistance	Excellent

Grade Comparison Matrix

Property	Grade TA	Grade TC	Competitor Standard
Hardness (HRA)	92.5	93.0	91.5 – 92.0
Toughness	High	Very High	Medium
Heat Resistance	900°C	1000°C	800°C
Coating Layers	Multi-layer AlTiN	Nano-composite TiAlN+TiSiN	Single-layer TiN
Best For	Steels & Cast Iron	Hardened & Exotic Alloys	General Purpose

Chipbreaker Profile

The SGS51370 features an optimized flute geometry designed for efficient chip formation and evacuation:

Flute Form: Parabolic gash with polished rake face for reduced cutting forces
Chipbreaker: Integral wiper edge on margin for superior hole wall finish
Margin Width: 12% of diameter for stable guidance and reduced chatter
Web Thickness: Tapered web (18% → 12%) for improved coolant penetration
Coolant Channels: Through-tool coolant capability (axial) for deep-hole applications
Edge Preparation: Micro-honed T-land (0.002–0.004 in) for edge integrity

Recommended Applications & Workpiece Materials

Grade TA is optimized for the following material groups:

Material Group	Hardness Range	Performance Rating
Carbon Steel	< 300 HB	★★★★★
Alloy Steel	< 300 HB	★★★★★
Stainless Steel	< 300 HB	★★★★★
Cast Iron	< 45 HRC	★★★★☆
Ductile Iron	< 45 HRC	★★★★☆

Application Map by Operation

Operation Type	Suitability	Max Depth	Hole Quality
Through-Hole Drilling	✓ Excellent	3×D	H7 – H8
Blind-Hole Drilling	✓ Excellent	3×D	H8 – H9
Peck Drilling	✓ Recommended	5×D (with peck)	H8
Stack Drilling	✓ Good	Variable	H9
Micro-Drilling	✗ Not Applicable	—	—

Recommended Cutting Conditions

Parameters are provided for external coolant (EC) and through-tool coolant (TTC) configurations. Adjust based on machine rigidity and workpiece setup.

Material	Cutting Speed V_c (sfm)	Feed f_n (ipr)	RPM Range
Carbon Steel (1020, 1045)	27 – 60	0.108 – 0.225	4,363 – 11,636
Alloy Steel (4140, 4340)	25 – 55	0.12 – 0.25	4,363 – 11,636
Stainless Steel (304, 316)	20 – 44	0.12 – 0.25	4,363 – 11,636
Cast Iron (GJL-250)	32 – 71	0.144 – 0.3	4,363 – 11,636
Hardened Steel (>45 HRC)	15 – 33	0.084 – 0.175	4,363 – 11,636

Note: Reduce cutting speed by 15% for blind holes and increase by 10% for through holes. Use peck cycle (Q = 1×D) for depths exceeding 2.5×D.

Operating Guidelines

Runout Tolerance: Maintain TIR ≤ 0.0004 in (0.010 mm) at tool tip. Excessive runout reduces tool life by 30–50%.
Coolant Requirements: Minimum 5% emulsion concentration at 800–1200 psi for through-tool applications. For external flood coolant, ensure 15–20 L/min flow rate directed at the cutting zone.
Pre-Drilling: Not required for standard applications. For holes > 0.500 in in materials > 35 HRC, consider a 0.005–0.010 in oversize pilot hole.
Peck Cycle: Recommended for holes > 2.5×D. First peck = 1.0×D, subsequent pecks = 0.5×D. Retract to 0.1×D above bottom for chip break.
Entry Angle: Use chamfer or countersink (0.010–0.020 in × 90°) to prevent burr formation and guide the drill.
Spindle Warm-Up: Run spindle at 50% RPM for 60 seconds before full engagement to ensure thermal stability.
Tool Change Interval: Monitor flank wear (VB). Replace when VB = 0.008 in (0.20 mm) or when hole diameter exceeds upper tolerance limit.

Toolholder Compatibility

Holder Type	Compatibility	Notes
Hydraulic Chuck (Hydro)	✓ Excellent	Best damping; TIR ≤ 0.0002 in
Shrink Fit Holder	✓ Excellent	Maximum torque transmission
ER Collet (ER32, ER40)	✓ Good	Use precision collets (AA grade); TIR ≤ 0.0004 in
Weldon Flat Holder	✗ Not Compatible	Cylindrical shank only
Side-Lock (End Mill Holder)	△ Acceptable	May reduce tool life due to point contact

Packaging & Ordering Information

Item	Details
Manufacturer Part Number	SGS51370
Packaging	Individual plastic tube with foam insert; 10 pcs per inner box; 100 pcs per master carton
Barcode (EAN)	Not assigned – use MPN for reference
Weight (Single Unit)	0.1 kg (0.22 lb) – includes packaging
Warranty	Standard manufacturer defect warranty – 12 months from date of purchase
Minimum Order	1 piece; bulk discounts available for 50+ units
Unit Price	$430.50 USD (FOB – subject to volume pricing)

Catalog Meta Data

Field	Value
Product Family	Kyocera Solid Carbide Drills – Standard Series
Series Code	SGS513xx – Inch Fractional & Number Sizes
Catalog Page	Kyocera Cutting Tools Catalog 2026, Section D-12
Replacement Policy	Not regrindable – solid carbide disposable design
RoHS Compliance	Yes – Cobalt binder within EU Directive 2011/65/EU limits
Country of Origin	Japan
Last Catalog Update	June 2026

Need application support? Our CNC tooling specialists can help optimize your drilling parameters for carbon steel and beyond. Contact Kyotow.com technical support for free consultation.

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Product Status Verified Original

Manufacturer Kyocera Corporation

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In-stock items (在庫あり): Dispatched with precision from the nearest regional hub within 3 business days.
Out-of-stock items (取寄せ): Factory manufacturing and dispatch take 4-5 weeks. Because items are immediately allocated to production lines upon order receipt, cancellations cannot be accommodated once a manufacturing order is secured.
Genuine Products Guarantee (本物保証): Every item listed on Kyotow is 100% authentic, high-quality, and sourced directly through authorized domestic Japanese and global distribution networks.

Product Images & Technical Accuracy 正確な製品情報

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To guarantee absolute accuracy for your machining requirements, please cross-reference the exact Kyocera Item Code, Item Name, and Material Grade.

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How to Proceed with Your Purchase:

Use the official Kyocera Item Code and Grade specification to verify exact dimensions and compatibility before purchasing.
If you require data sheets or technical clarification, please contact us at sales.kyotow@gmail.com.

Refund & Cancellation Policy 返品・キャンセルポリシー

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Order Finality
Due to automated procurement systems linking directly to factory distribution channels across our global facilities, orders cannot be canceled or modified once processing begins. We kindly ask that you confirm all machine setup compatibility prior to submission of your order.

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Need Assistance? (お問い合わせ)
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Direct Supply Chain Transparency サプライチェーンの透明性

Why are our prices so low? (価格が安い理由): Kyotow sources genuine Kyocera tools directly from domestic Japanese distribution networks, completely bypassing the steep regional markups, localized sales overhead, and heavy middleman margins of Western distributors. We pass 100% of those structural savings directly to your machine shop.
Kyotowは日本の国内流通ネットワークから京セラ正規品を直接仕入れることで、欧米の現地代理店による大幅な上乗せ価格や営業コスト、中間マージンを完全に排除しています。その構造的メリットを、お客様の加工現場へ100%還元いたします。

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Procured straight from Japan's local wholesale networks to capture maximum market arbitrage.

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Tags: 11/16 , DRILL , 2FL , 3XD , TA , SGS51370 , Kyocera , CNC , carbide , precision-drilling

Kyocera 11/16 DRILL 2FL 3XD TA SGS51370 DRILL - CNC Machining

International Shipping Note

Product Overview

ISO Designation Breakdown

Engineering Dimensions & Geometry

Grade Details – Key Grade Characteristics

Grade Comparison Matrix

Chipbreaker Profile

Recommended Applications & Workpiece Materials

Application Map by Operation

Recommended Cutting Conditions

Operating Guidelines

Toolholder Compatibility

Packaging & Ordering Information

Catalog Meta Data

Certificate of Authenticity

Shipping & Stock Information 発送・在庫情報

Product Images & Technical Accuracy 正確な製品情報

Refund & Cancellation Policy 返品・キャンセルポリシー

Payments & Security 安全な決済方法

Fast & Reliable Worldwide Shipping 国際スピード郵便

Direct Supply Chain Transparency サプライチェーンの透明性

Domestic Sourced

100% Genuine

No Regional Markups

Information

My Account Information

Customer Service