Dimension of NACHI Point Tap STPO 6868 M2 – M24:
Order Guide NACHI Point Tap STPO 6868 M2 – M24 (in mm) :
| Product No.記号 | Thread Size 呼び |
TAP Limit 等級 |
食付（P) Lc (P) |
全長 L |
ねじ長 ℓ |
Flutes 溝数 |
Ds シャンク径 |
Ln 首下長さ |
首径 dn |
Type 形式 |
|
| 2M0.4R | M2 X 0.4 | REG | P1 | 5 | 40 | 9 | 2 | 3 | 15 | 2.1* | 1 |
| 2M0.4R+1 | REG+1 | P2 | |||||||||
| 2.5M0.45R | M2.5 X 0.45 | REG | P2 | 5 | 44 | 10 | 2 | 3 | 16 | 2.7* | 1 |
| 2.5M0.45R+1 | REG+1 | P3 | |||||||||
| 2.6M0.45R | M2.6 X 0.45 | REG | P2 | 5 | 44 | 10 | 2 | 3 | 16 | 2.7* | 1 |
| 2.6M0.45R+1 | REG+1 | P3 | |||||||||
| 3M0.5R | M3 X 0.5 | REG | P2 | 5 | 46 | 11 | 3 | 4 | 18 | 2.4 | 2 |
| 3M0.5R+1 | REG+1 | P3 | |||||||||
| 3.5M0.6R | M3.5 X 0.6 | REG | P2 | 5 | 48 | 13 | 3 | 4 | 18 | 2.8 | 2 |
| 3.5M0.6R+1 | REG+1 | P3 | |||||||||
| 4M0.7R | M4 X 0.7 | REG | P2 | 5 | 52 | 13 | 3 | 5 | 20 | 3.1 | 2 |
| 4M0.7R+1 | REG+1 | P3 | |||||||||
| 5M0.8R | M5 X 0.8 | REG | P2 | 5 | 60 | 16 | 3 | 5.5 | 22 | 4 | 2 |
| 5M0.8R+1 | REG+1 | P3 | |||||||||
| 6M1R | M6 X 1 | REG | P2 | 5 | 62 | 17 | 3 | 6 | 28 | 4.8 | 2 |
| 6M1R+1 | REG+1 | P3 | |||||||||
| 6M0.75R | M6 X 0.75 | REG | P2 | 5 | 62 | 14 | 3 | 6 | 28 | 4.8 | 2 |
| 6M0.75R+1 | REG+1 | P3 | |||||||||
| 7M1R | M7 X 1 | REG | P2 | 5 | 65 | 17 | 3 | 6.2 | – | – | 3 |
| 7M1R+1 | REG+1 | P3 | |||||||||
| 8M1.25R | M8 X 1.25 | REG | P3 | 5 | 70 | 22 | 3 | 6.2 | – | – | 3 |
| 8M1.25R+1 | REG+1 | P4 | |||||||||
| 8M1R | M8 X 1 | REG | P2 | 5 | 70 | 17 | 3 | 6.2 | – | – | 3 |
| 8M1R+1 | REG+1 | P3 | |||||||||
| 8M1R+2 | REG+2 | P4 | |||||||||
| 10M1.5R | M10 X 1.5 | REG | P3 | 5 | 75 | 27 | 3 | 7 | – | – | 3 |
| 10M1.5R+1 | REG+1 | P4 | |||||||||
| 10M1.25R | M10 X 1.25 | REG | P3 | 5 | 75 | 22 | 3 | 7 | – | – | 3 |
| 10M1.25R+1 | REG+1 | P4 | |||||||||
| 10M1R | M10 X 1 | REG | P2 | 5 | 75 | 17 | 3 | 7 | – | – | 3 |
| 10M1R+1 | REG+1 | P3 | |||||||||
| 10M1R+2 | REG+2 | P4 | |||||||||
| 12M1.75R | M12 X 1.75 | REG | P4 | 5 | 82 | 32 | 3 | 8.5 | – | – | 3 |
| 12M1.75R+1 | REG+1 | P5 | |||||||||
| 12M1.5R | M12 X 1.5 | REG | P3 | 5 | 82 | 28 | 3 | 8.5 | – | – | 3 |
| 12M1.5R+1 | REG+1 | P4 | |||||||||
| 12M1.25R | M12 X 1.25 | REG | P4 | 5 | 82 | 23 | 3 | 8.5 | – | – | 3 |
| 12M1.25R+1 | REG+1 | P5 | |||||||||
| 14M2R | M14 X 2 | REG | P4 | 5 | 88 | 32 | 3 | 10.5 | – | – | 3 |
| 14M2R+1 | REG+1 | P5 | |||||||||
| 14M1.5R | M14 X 1.5 | REG | P3 | 5 | 88 | 28 | 3 | 10.5 | – | – | 3 |
| 14M1.5R+1 | REG+1 | P4 | |||||||||
| 16M2R | M16 X 2 | REG | P4 | 5 | 95 | 32 | 3 | 12.5 | – | – | 3 |
| 16M2R+1 | REG+1 | P5 | |||||||||
| 16M1.5R | M16 X 1.5 | REG | P3 | 5 | 95 | 28 | 3 | 12.5 | – | – | 3 |
| 16M1.5R+1 | REG+1 | P4 | |||||||||
| 18M2.5R | M18 X 2.5 | REG | P4 | 5 | 100 | 37.5 | 3 | 14 | – | – | 3 |
| 18M2.5R+1 | REG+1 | P5 | |||||||||
| 18M1.5R | M18 X 1.5 | REG | P4 | 5 | 100 | 28 | 3 | 14 | – | – | 3 |
| 18M1.5R+1 | REG+1 | P5 | |||||||||
| 20M2.5R | M20 X 2.5 | REG | P4 | 5 | 105 | 37.5 | 3 | 15 | – | – | 3 |
| 20M2.5R+1 | REG+1 | P5 | |||||||||
| 20M1.5R | M20 X 1.5 | REG | P4 | 5 | 105 | 28 | 3 | 15 | – | – | 3 |
| 20M1.5R+1 | REG+1 | P5 | |||||||||
| 22M2.5R | M22 X 2.5 | REG | P4 | 5 | 115 | 37.5 | 3 | 17 | – | – | 3 |
| 22M2.5R+1 | REG+1 | P5 | |||||||||
| 22M1.5R | M22 X 1.5 | REG | P4 | 5 | 115 | 28 | 3 | 17 | – | – | 3 |
| 22M1.5R+1 | REG+1 | P5 | |||||||||
| 24M3R | M24 X 3 | REG | P4 | 5 | 120 | 45 | 3 | 19 | – | – | 3 |
| 24M3R+1 | REG+1 | P5 | |||||||||
| 24M1.5R | M24 X 1.5 | REG | P4 | 5 | 120 | 31 | 3 | 19 | – | – | 3 |
| 24M1.5R+1 | REG+1 | P5 |
＊：呼び径＜首径です。めねじ加工深さが深い場合、ねじ長以上入れると折損の危険があります。
＊： Thread Size < Neck diameter (dn) When depth of cutting a female thread is deep, if putting the screw length or more in length, there is a risk of breakage.
形式 1 ～ 2 は突出しセンタ Type 1 ～ 2 with External Centre
Application NACHI Point Tap STPO 6868 M2 – M24:
| Work Materials | 一般構造用鋼 SS Structural Steel |
低炭素鋼 S15C Low Carbon Steel |
中炭素鋼
S40C Medium Carbon Steel |
高炭素鋼 S50C High Carbon Steel |
合金鋼 SCM, SCr Alloy Steel |
高硬度鋼 Hardened Steel |
ステンレス鋼 SUS Stainless Steel |
鋳鉄 FC Cast Iron |
ダクタイル 鋳鉄 FCD Ductile Cast Iron |
アルミニウム 合金 AC, ADC Aluminum Alloy |
||
| — 200HB | — 200HB | — 200HB | — 200HB | — 200HB | 20 — 30HRC | 30 — 40HRC | ||||||
| STSP | Selection chart 選定 | o | o | ◎ | o | o | o | – | – | – | o | o |
| MSH (m/min) Cutting Speed 切削速度 | 5—15 | 5—15 | 5—15 | 5—15 | 5—15 | 5—8 | – | – | – | 5—15 | 10 — 20 | |
| STPO | Selection chart 選定 | o | o | ◎ | o | o | o | – | – | – | o | o |
| MSH (m/min) Cutting Speed 切削速度 | 6 — 20 | 6 — 20 | 6 — 20 | 6 — 20 | 6 — 20 | 5— 10 | – | – | – | 6 — 20 | 10 — 20 | |
| 推奨切削油剤 Cutting Fluids | Sulfochlorinated Oil Water soluble Oil | Water soluble Oil | ||||||||||
Attention on using the cutting condition tables
1. 表中の数値は一般的な基準であり、 ご使用条件により切削条件を変更してください。
2. 表中の数値はねじの深さ 2Dc（ねじの呼び径の 2 倍）が基準です。
1. These are general cutting condition, and may be altered by your conditions.
2. These conditions are for thread depth of 2 × Dc.
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